Finding the Fourth Proportional to 325,387.10, 487,966.29 and 97,614.80
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Solution
The fourth proportional to 325,387.10, 487,966.29 and 97,614.80 is: 146,387.89
Step by Step Solution
- Step 1: Write the proportion equation
325,387.10 : 487,966.29 = 97,614.80 : x - Step 2: Convert to fraction form
325,387.10/487,966.29 = 97,614.80/x - Step 3: Cross multiply
325,387.10x = 487,966.29 × 97,614.80 - Step 4: Simplify right side
325,387.10x = 47,632,731,805.09 - Step 5: Solve for x
x = 47,632,731,805.09/325,387.10 - Step 6: Final answer
x = 146,387.89
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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.