Finding the Fourth Proportional to 403,712.26, 557,122.92 and 224,864.26
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Solution
The fourth proportional to 403,712.26, 557,122.92 and 224,864.26 is: 310,312.68
Step by Step Solution
- Step 1: Write the proportion equation
403,712.26 : 557,122.92 = 224,864.26 : x - Step 2: Convert to fraction form
403,712.26/557,122.92 = 224,864.26/x - Step 3: Cross multiply
403,712.26x = 557,122.92 × 224,864.26 - Step 4: Simplify right side
403,712.26x = 125,277,033,134.84 - Step 5: Solve for x
x = 125,277,033,134.84/403,712.26 - Step 6: Final answer
x = 310,312.68
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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.