Finding the Fourth Proportional to 239,112.60, 329,901.01 and 135,729.87
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Solution
The fourth proportional to 239,112.60, 329,901.01 and 135,729.87 is: 187,265.00
Step by Step Solution
- Step 1: Write the proportion equation
239,112.60 : 329,901.01 = 135,729.87 : x - Step 2: Convert to fraction form
239,112.60/329,901.01 = 135,729.87/x - Step 3: Cross multiply
239,112.60x = 329,901.01 × 135,729.87 - Step 4: Simplify right side
239,112.60x = 44,777,421,200.17 - Step 5: Solve for x
x = 44,777,421,200.17/239,112.60 - Step 6: Final answer
x = 187,265.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.