Finding the Fourth Proportional to 426,731.60, 588,865.97 and 245,446.58
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Solution
The fourth proportional to 426,731.60, 588,865.97 and 245,446.58 is: 338,702.69
Step by Step Solution
- Step 1: Write the proportion equation
426,731.60 : 588,865.97 = 245,446.58 : x - Step 2: Convert to fraction form
426,731.60/588,865.97 = 245,446.58/x - Step 3: Cross multiply
426,731.60x = 588,865.97 × 245,446.58 - Step 4: Simplify right side
426,731.60x = 144,535,140,500.66 - Step 5: Solve for x
x = 144,535,140,500.66/426,731.60 - Step 6: Final answer
x = 338,702.69
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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.