Finding the Fourth Proportional to 408,704.87, 564,026.19 and 255,694.15
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Solution
The fourth proportional to 408,704.87, 564,026.19 and 255,694.15 is: 352,866.35
Step by Step Solution
- Step 1: Write the proportion equation
408,704.87 : 564,026.19 = 255,694.15 : x - Step 2: Convert to fraction form
408,704.87/564,026.19 = 255,694.15/x - Step 3: Cross multiply
408,704.87x = 564,026.19 × 255,694.15 - Step 4: Simplify right side
408,704.87x = 144,218,196,975.97 - Step 5: Solve for x
x = 144,218,196,975.97/408,704.87 - Step 6: Final answer
x = 352,866.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.