Finding the Fourth Proportional to 387,711.25, 581,566.88 and 107,228.50
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Solution
The fourth proportional to 387,711.25, 581,566.88 and 107,228.50 is: 160,842.75
Step by Step Solution
- Step 1: Write the proportion equation
387,711.25 : 581,566.88 = 107,228.50 : x - Step 2: Convert to fraction form
387,711.25/581,566.88 = 107,228.50/x - Step 3: Cross multiply
387,711.25x = 581,566.88 × 107,228.50 - Step 4: Simplify right side
387,711.25x = 62,360,544,192.08 - Step 5: Solve for x
x = 62,360,544,192.08/387,711.25 - Step 6: Final answer
x = 160,842.75
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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.