Finding the Fourth Proportional to 385,432.29, 578,491.84 and 183,277.62
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Solution
The fourth proportional to 385,432.29, 578,491.84 and 183,277.62 is: 275,079.72
Step by Step Solution
- Step 1: Write the proportion equation
385,432.29 : 578,491.84 = 183,277.62 : x - Step 2: Convert to fraction form
385,432.29/578,491.84 = 183,277.62/x - Step 3: Cross multiply
385,432.29x = 578,491.84 × 183,277.62 - Step 4: Simplify right side
385,432.29x = 106,024,607,853.72 - Step 5: Solve for x
x = 106,024,607,853.72/385,432.29 - Step 6: Final answer
x = 275,079.72
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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.