Finding the Fourth Proportional to 472,348.97, 708,369.95 and 156,721.13
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Solution
The fourth proportional to 472,348.97, 708,369.95 and 156,721.13 is: 235,030.76
Step by Step Solution
- Step 1: Write the proportion equation
472,348.97 : 708,369.95 = 156,721.13 : x - Step 2: Convert to fraction form
472,348.97/708,369.95 = 156,721.13/x - Step 3: Cross multiply
472,348.97x = 708,369.95 × 156,721.13 - Step 4: Simplify right side
472,348.97x = 111,016,534,696.59 - Step 5: Solve for x
x = 111,016,534,696.59/472,348.97 - Step 6: Final answer
x = 235,030.76
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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.