Finding the Fourth Proportional to 153,387.22, 229,774.50 and 121,850.68
Calculator
Solution
The fourth proportional to 153,387.22, 229,774.50 and 121,850.68 is: 182,532.67
Step by Step Solution
- Step 1: Write the proportion equation
153,387.22 : 229,774.50 = 121,850.68 : x - Step 2: Convert to fraction form
153,387.22/229,774.50 = 121,850.68/x - Step 3: Cross multiply
153,387.22x = 229,774.50 × 121,850.68 - Step 4: Simplify right side
153,387.22x = 27,998,179,071.66 - Step 5: Solve for x
x = 27,998,179,071.66/153,387.22 - Step 6: Final answer
x = 182,532.67
Related Problems
Find fourth proportional to 76,693.61, 114,887.25 and 60,925.34
Half scale
Find fourth proportional to 306,774.44, 459,549 and 243,701.36
Double scale
Find fourth proportional to 153,388.22, 229,776 and 121,851.68
Similar ratio
Find fourth proportional to 230,080.83, 344,661.75 and 182,776.02
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.