Finding the Fourth Proportional to 516,841.40, 774,686.10 and 201,193.40
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Solution
The fourth proportional to 516,841.40, 774,686.10 and 201,193.40 is: 301,565.88
Step by Step Solution
- Step 1: Write the proportion equation
516,841.40 : 774,686.10 = 201,193.40 : x - Step 2: Convert to fraction form
516,841.40/774,686.10 = 201,193.40/x - Step 3: Cross multiply
516,841.40x = 774,686.10 × 201,193.40 - Step 4: Simplify right side
516,841.40x = 155,861,730,391.74 - Step 5: Solve for x
x = 155,861,730,391.74/516,841.40 - Step 6: Final answer
x = 301,565.88
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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.