Finding the Fourth Proportional to 493,731.44, 740,624.81 and 138,717.75
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Solution
The fourth proportional to 493,731.44, 740,624.81 and 138,717.75 is: 208,084.39
Step by Step Solution
- Step 1: Write the proportion equation
493,731.44 : 740,624.81 = 138,717.75 : x - Step 2: Convert to fraction form
493,731.44/740,624.81 = 138,717.75/x - Step 3: Cross multiply
493,731.44x = 740,624.81 × 138,717.75 - Step 4: Simplify right side
493,731.44x = 102,737,806,543.79 - Step 5: Solve for x
x = 102,737,806,543.79/493,731.44 - Step 6: Final answer
x = 208,084.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.