Finding the Fourth Proportional to 472,761.13, 652,410.35 and 257,902.06
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Solution
The fourth proportional to 472,761.13, 652,410.35 and 257,902.06 is: 355,904.84
Step by Step Solution
- Step 1: Write the proportion equation
472,761.13 : 652,410.35 = 257,902.06 : x - Step 2: Convert to fraction form
472,761.13/652,410.35 = 257,902.06/x - Step 3: Cross multiply
472,761.13x = 652,410.35 × 257,902.06 - Step 4: Simplify right side
472,761.13x = 168,257,970,613.02 - Step 5: Solve for x
x = 168,257,970,613.02/472,761.13 - Step 6: Final answer
x = 355,904.84
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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.