Finding the Fourth Proportional to 577,251.20, 865,896.60 and 177,888.80
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Solution
The fourth proportional to 577,251.20, 865,896.60 and 177,888.80 is: 266,839.30
Step by Step Solution
- Step 1: Write the proportion equation
577,251.20 : 865,896.60 = 177,888.80 : x - Step 2: Convert to fraction form
577,251.20/865,896.60 = 177,888.80/x - Step 3: Cross multiply
577,251.20x = 865,896.60 × 177,888.80 - Step 4: Simplify right side
577,251.20x = 154,033,307,098.08 - Step 5: Solve for x
x = 154,033,307,098.08/577,251.20 - Step 6: Final answer
x = 266,839.30
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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.