Finding the Fourth Proportional to 126,265.28, 189,432.48 and 37,517.12
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Solution
The fourth proportional to 126,265.28, 189,432.48 and 37,517.12 is: 56,285.95
Step by Step Solution
- Step 1: Write the proportion equation
126,265.28 : 189,432.48 = 37,517.12 : x - Step 2: Convert to fraction form
126,265.28/189,432.48 = 37,517.12/x - Step 3: Cross multiply
126,265.28x = 189,432.48 × 37,517.12 - Step 4: Simplify right side
126,265.28x = 7,106,961,084.06 - Step 5: Solve for x
x = 7,106,961,084.06/126,265.28 - Step 6: Final answer
x = 56,285.95
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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.