Finding the Fourth Proportional to 167,987.75, 251,986.49 and 43,328.75
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Solution
The fourth proportional to 167,987.75, 251,986.49 and 43,328.75 is: 64,994.38
Step by Step Solution
- Step 1: Write the proportion equation
167,987.75 : 251,986.49 = 43,328.75 : x - Step 2: Convert to fraction form
167,987.75/251,986.49 = 43,328.75/x - Step 3: Cross multiply
167,987.75x = 251,986.49 × 43,328.75 - Step 4: Simplify right side
167,987.75x = 10,918,259,411.94 - Step 5: Solve for x
x = 10,918,259,411.94/167,987.75 - Step 6: Final answer
x = 64,994.38
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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.