Finding the Fourth Proportional to 313,691.07, 432,892.85 and 170,451.12
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Solution
The fourth proportional to 313,691.07, 432,892.85 and 170,451.12 is: 235,222.09
Step by Step Solution
- Step 1: Write the proportion equation
313,691.07 : 432,892.85 = 170,451.12 : x - Step 2: Convert to fraction form
313,691.07/432,892.85 = 170,451.12/x - Step 3: Cross multiply
313,691.07x = 432,892.85 × 170,451.12 - Step 4: Simplify right side
313,691.07x = 73,787,070,270.24 - Step 5: Solve for x
x = 73,787,070,270.24/313,691.07 - Step 6: Final answer
x = 235,222.09
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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.