Finding the Fourth Proportional to 361,660.14, 542,580.40 and 255,251.94
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Solution
The fourth proportional to 361,660.14, 542,580.40 and 255,251.94 is: 382,941.56
Step by Step Solution
- Step 1: Write the proportion equation
361,660.14 : 542,580.40 = 255,251.94 : x - Step 2: Convert to fraction form
361,660.14/542,580.40 = 255,251.94/x - Step 3: Cross multiply
361,660.14x = 542,580.40 × 255,251.94 - Step 4: Simplify right side
361,660.14x = 138,494,699,705.98 - Step 5: Solve for x
x = 138,494,699,705.98/361,660.14 - Step 6: Final answer
x = 382,941.56
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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.