Finding the Fourth Proportional to 426,772.80, 588,963.56 and 245,484.68
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Solution
The fourth proportional to 426,772.80, 588,963.56 and 245,484.68 is: 338,778.68
Step by Step Solution
- Step 1: Write the proportion equation
426,772.80 : 588,963.56 = 245,484.68 : x - Step 2: Convert to fraction form
426,772.80/588,963.56 = 245,484.68/x - Step 3: Cross multiply
426,772.80x = 588,963.56 × 245,484.68 - Step 4: Simplify right side
426,772.80x = 144,581,526,886.02 - Step 5: Solve for x
x = 144,581,526,886.02/426,772.80 - Step 6: Final answer
x = 338,778.68
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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.