Finding the Fourth Proportional to 385,732.65, 578,691.36 and 160,968.05
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Solution
The fourth proportional to 385,732.65, 578,691.36 and 160,968.05 is: 241,490.63
Step by Step Solution
- Step 1: Write the proportion equation
385,732.65 : 578,691.36 = 160,968.05 : x - Step 2: Convert to fraction form
385,732.65/578,691.36 = 160,968.05/x - Step 3: Cross multiply
385,732.65x = 578,691.36 × 160,968.05 - Step 4: Simplify right side
385,732.65x = 93,150,819,771.05 - Step 5: Solve for x
x = 93,150,819,771.05/385,732.65 - Step 6: Final answer
x = 241,490.63
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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.