Finding the Fourth Proportional to 84,159.20, 126,217.12 and 24,980.80
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Solution
The fourth proportional to 84,159.20, 126,217.12 and 24,980.80 is: 37,464.76
Step by Step Solution
- Step 1: Write the proportion equation
84,159.20 : 126,217.12 = 24,980.80 : x - Step 2: Convert to fraction form
84,159.20/126,217.12 = 24,980.80/x - Step 3: Cross multiply
84,159.20x = 126,217.12 × 24,980.80 - Step 4: Simplify right side
84,159.20x = 3,153,004,631.30 - Step 5: Solve for x
x = 3,153,004,631.30/84,159.20 - Step 6: Final answer
x = 37,464.76
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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.