Finding the Fourth Proportional to 387,261.97, 580,051.74 and 187,162.70
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Solution
The fourth proportional to 387,261.97, 580,051.74 and 187,162.70 is: 280,337.50
Step by Step Solution
- Step 1: Write the proportion equation
387,261.97 : 580,051.74 = 187,162.70 : x - Step 2: Convert to fraction form
387,261.97/580,051.74 = 187,162.70/x - Step 3: Cross multiply
387,261.97x = 580,051.74 × 187,162.70 - Step 4: Simplify right side
387,261.97x = 108,564,051,248.23 - Step 5: Solve for x
x = 108,564,051,248.23/387,261.97 - Step 6: Final answer
x = 280,337.50
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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.