Finding the Fourth Proportional to 83,432.01, 125,146.68 and 20,252.64
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Solution
The fourth proportional to 83,432.01, 125,146.68 and 20,252.64 is: 30,378.64
Step by Step Solution
- Step 1: Write the proportion equation
83,432.01 : 125,146.68 = 20,252.64 : x - Step 2: Convert to fraction form
83,432.01/125,146.68 = 20,252.64/x - Step 3: Cross multiply
83,432.01x = 125,146.68 × 20,252.64 - Step 4: Simplify right side
83,432.01x = 2,534,550,657.24 - Step 5: Solve for x
x = 2,534,550,657.24/83,432.01 - Step 6: Final answer
x = 30,378.64
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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.