Finding the Fourth Proportional to 542,694.06, 813,142.53 and 187,510.68
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Solution
The fourth proportional to 542,694.06, 813,142.53 and 187,510.68 is: 280,955.55
Step by Step Solution
- Step 1: Write the proportion equation
542,694.06 : 813,142.53 = 187,510.68 : x - Step 2: Convert to fraction form
542,694.06/813,142.53 = 187,510.68/x - Step 3: Cross multiply
542,694.06x = 813,142.53 × 187,510.68 - Step 4: Simplify right side
542,694.06x = 152,472,908,737.22 - Step 5: Solve for x
x = 152,472,908,737.22/542,694.06 - Step 6: Final answer
x = 280,955.55
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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.