Finding the Fourth Proportional to 403,229.13, 556,451.91 and 221,937.18
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Solution
The fourth proportional to 403,229.13, 556,451.91 and 221,937.18 is: 306,270.95
Step by Step Solution
- Step 1: Write the proportion equation
403,229.13 : 556,451.91 = 221,937.18 : x - Step 2: Convert to fraction form
403,229.13/556,451.91 = 221,937.18/x - Step 3: Cross multiply
403,229.13x = 556,451.91 × 221,937.18 - Step 4: Simplify right side
403,229.13x = 123,497,367,711.01 - Step 5: Solve for x
x = 123,497,367,711.01/403,229.13 - Step 6: Final answer
x = 306,270.95
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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.