Finding the Fourth Proportional to 493,701.24, 740,398.72 and 178,117.12
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Solution
The fourth proportional to 493,701.24, 740,398.72 and 178,117.12 is: 267,120.43
Step by Step Solution
- Step 1: Write the proportion equation
493,701.24 : 740,398.72 = 178,117.12 : x - Step 2: Convert to fraction form
493,701.24/740,398.72 = 178,117.12/x - Step 3: Cross multiply
493,701.24x = 740,398.72 × 178,117.12 - Step 4: Simplify right side
493,701.24x = 131,877,687,658.09 - Step 5: Solve for x
x = 131,877,687,658.09/493,701.24 - Step 6: Final answer
x = 267,120.43
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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.