Finding the Fourth Proportional to 103,470.90, 155,177.19 and 44,370.87
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Solution
The fourth proportional to 103,470.90, 155,177.19 and 44,370.87 is: 66,543.80
Step by Step Solution
- Step 1: Write the proportion equation
103,470.90 : 155,177.19 = 44,370.87 : x - Step 2: Convert to fraction form
103,470.90/155,177.19 = 44,370.87/x - Step 3: Cross multiply
103,470.90x = 155,177.19 × 44,370.87 - Step 4: Simplify right side
103,470.90x = 6,885,346,924.46 - Step 5: Solve for x
x = 6,885,346,924.46/103,470.90 - Step 6: Final answer
x = 66,543.80
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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.