Finding the Fourth Proportional to 306,850.98, 423,504.81 and 192,173.07
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Solution
The fourth proportional to 306,850.98, 423,504.81 and 192,173.07 is: 265,230.44
Step by Step Solution
- Step 1: Write the proportion equation
306,850.98 : 423,504.81 = 192,173.07 : x - Step 2: Convert to fraction form
306,850.98/423,504.81 = 192,173.07/x - Step 3: Cross multiply
306,850.98x = 423,504.81 × 192,173.07 - Step 4: Simplify right side
306,850.98x = 81,386,219,497.47 - Step 5: Solve for x
x = 81,386,219,497.47/306,850.98 - Step 6: Final answer
x = 265,230.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.