Finding the Fourth Proportional to 387,182.97, 580,753.80 and 120,913.02
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Solution
The fourth proportional to 387,182.97, 580,753.80 and 120,913.02 is: 181,363.08
Step by Step Solution
- Step 1: Write the proportion equation
387,182.97 : 580,753.80 = 120,913.02 : x - Step 2: Convert to fraction form
387,182.97/580,753.80 = 120,913.02/x - Step 3: Cross multiply
387,182.97x = 580,753.80 × 120,913.02 - Step 4: Simplify right side
387,182.97x = 70,220,695,834.48 - Step 5: Solve for x
x = 70,220,695,834.48/387,182.97 - Step 6: Final answer
x = 181,363.08
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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.