Finding the Fourth Proportional to 406,551.70, 610,386.14 and 207,006.17
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Solution
The fourth proportional to 406,551.70, 610,386.14 and 207,006.17 is: 310,793.68
Step by Step Solution
- Step 1: Write the proportion equation
406,551.70 : 610,386.14 = 207,006.17 : x - Step 2: Convert to fraction form
406,551.70/610,386.14 = 207,006.17/x - Step 3: Cross multiply
406,551.70x = 610,386.14 × 207,006.17 - Step 4: Simplify right side
406,551.70x = 126,353,697,062.48 - Step 5: Solve for x
x = 126,353,697,062.48/406,551.70 - Step 6: Final answer
x = 310,793.68
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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.