Finding the Fourth Proportional to 293,122.60, 439,640.70 and 82,781.80
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Solution
The fourth proportional to 293,122.60, 439,640.70 and 82,781.80 is: 124,160.50
Step by Step Solution
- Step 1: Write the proportion equation
293,122.60 : 439,640.70 = 82,781.80 : x - Step 2: Convert to fraction form
293,122.60/439,640.70 = 82,781.80/x - Step 3: Cross multiply
293,122.60x = 439,640.70 × 82,781.80 - Step 4: Simplify right side
293,122.60x = 36,394,248,499.26 - Step 5: Solve for x
x = 36,394,248,499.26/293,122.60 - Step 6: Final answer
x = 124,160.50
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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.