Finding the Fourth Proportional to 247,720.97, 341,796.37 and 145,750.88
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Solution
The fourth proportional to 247,720.97, 341,796.37 and 145,750.88 is: 201,101.75
Step by Step Solution
- Step 1: Write the proportion equation
247,720.97 : 341,796.37 = 145,750.88 : x - Step 2: Convert to fraction form
247,720.97/341,796.37 = 145,750.88/x - Step 3: Cross multiply
247,720.97x = 341,796.37 × 145,750.88 - Step 4: Simplify right side
247,720.97x = 49,817,121,708.31 - Step 5: Solve for x
x = 49,817,121,708.31/247,720.97 - Step 6: Final answer
x = 201,101.75
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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.