Finding the Fourth Proportional to 381,517.52, 572,322.36 and 101,040.08
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Solution
The fourth proportional to 381,517.52, 572,322.36 and 101,040.08 is: 151,572.32
Step by Step Solution
- Step 1: Write the proportion equation
381,517.52 : 572,322.36 = 101,040.08 : x - Step 2: Convert to fraction form
381,517.52/572,322.36 = 101,040.08/x - Step 3: Cross multiply
381,517.52x = 572,322.36 × 101,040.08 - Step 4: Simplify right side
381,517.52x = 57,827,497,040.19 - Step 5: Solve for x
x = 57,827,497,040.19/381,517.52 - Step 6: Final answer
x = 151,572.32
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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.