Finding the Fourth Proportional to 477,171.25, 715,766.11 and 381,959.53
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Solution
The fourth proportional to 477,171.25, 715,766.11 and 381,959.53 is: 572,946.68
Step by Step Solution
- Step 1: Write the proportion equation
477,171.25 : 715,766.11 = 381,959.53 : x - Step 2: Convert to fraction form
477,171.25/715,766.11 = 381,959.53/x - Step 3: Cross multiply
477,171.25x = 715,766.11 × 381,959.53 - Step 4: Simplify right side
477,171.25x = 273,393,684,221.21 - Step 5: Solve for x
x = 273,393,684,221.21/477,171.25 - Step 6: Final answer
x = 572,946.68
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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.