Finding the Fourth Proportional to 97,251.28, 145,901.52 and 27,130.54
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Solution
The fourth proportional to 97,251.28, 145,901.52 and 27,130.54 is: 40,702.67
Step by Step Solution
- Step 1: Write the proportion equation
97,251.28 : 145,901.52 = 27,130.54 : x - Step 2: Convert to fraction form
97,251.28/145,901.52 = 27,130.54/x - Step 3: Cross multiply
97,251.28x = 145,901.52 × 27,130.54 - Step 4: Simplify right side
97,251.28x = 3,958,387,024.42 - Step 5: Solve for x
x = 3,958,387,024.42/97,251.28 - Step 6: Final answer
x = 40,702.67
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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.