Finding the Fourth Proportional to 87,278.18, 130,917.30 and 24,948.68
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Solution
The fourth proportional to 87,278.18, 130,917.30 and 24,948.68 is: 37,423.03
Step by Step Solution
- Step 1: Write the proportion equation
87,278.18 : 130,917.30 = 24,948.68 : x - Step 2: Convert to fraction form
87,278.18/130,917.30 = 24,948.68/x - Step 3: Cross multiply
87,278.18x = 130,917.30 × 24,948.68 - Step 4: Simplify right side
87,278.18x = 3,266,213,824.16 - Step 5: Solve for x
x = 3,266,213,824.16/87,278.18 - Step 6: Final answer
x = 37,423.03
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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.