Finding the Fourth Proportional to 385,732.95, 578,691.81 and 160,968.36
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Solution
The fourth proportional to 385,732.95, 578,691.81 and 160,968.36 is: 241,491.09
Step by Step Solution
- Step 1: Write the proportion equation
385,732.95 : 578,691.81 = 160,968.36 : x - Step 2: Convert to fraction form
385,732.95/578,691.81 = 160,968.36/x - Step 3: Cross multiply
385,732.95x = 578,691.81 × 160,968.36 - Step 4: Simplify right side
385,732.95x = 93,151,071,601.13 - Step 5: Solve for x
x = 93,151,071,601.13/385,732.95 - Step 6: Final answer
x = 241,491.09
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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.