Finding the Fourth Proportional to 472,171.25, 651,577.35 and 257,306.70
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Solution
The fourth proportional to 472,171.25, 651,577.35 and 257,306.70 is: 355,072.91
Step by Step Solution
- Step 1: Write the proportion equation
472,171.25 : 651,577.35 = 257,306.70 : x - Step 2: Convert to fraction form
472,171.25/651,577.35 = 257,306.70/x - Step 3: Cross multiply
472,171.25x = 651,577.35 × 257,306.70 - Step 4: Simplify right side
472,171.25x = 167,655,218,937.16 - Step 5: Solve for x
x = 167,655,218,937.16/472,171.25 - Step 6: Final answer
x = 355,072.91
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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.