Finding the Fourth Proportional to 472,660.97, 652,279.91 and 257,801.03
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Solution
The fourth proportional to 472,660.97, 652,279.91 and 257,801.03 is: 355,769.66
Step by Step Solution
- Step 1: Write the proportion equation
472,660.97 : 652,279.91 = 257,801.03 : x - Step 2: Convert to fraction form
472,660.97/652,279.91 = 257,801.03/x - Step 3: Cross multiply
472,660.97x = 652,279.91 × 257,801.03 - Step 4: Simplify right side
472,660.97x = 168,158,432,646.31 - Step 5: Solve for x
x = 168,158,432,646.31/472,660.97 - Step 6: Final answer
x = 355,769.66
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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.