Finding the Fourth Proportional to 247,753.35, 341,947.57 and 161,562.70
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Solution
The fourth proportional to 247,753.35, 341,947.57 and 161,562.70 is: 222,987.79
Step by Step Solution
- Step 1: Write the proportion equation
247,753.35 : 341,947.57 = 161,562.70 : x - Step 2: Convert to fraction form
247,753.35/341,947.57 = 161,562.70/x - Step 3: Cross multiply
247,753.35x = 341,947.57 × 161,562.70 - Step 4: Simplify right side
247,753.35x = 55,245,972,667.64 - Step 5: Solve for x
x = 55,245,972,667.64/247,753.35 - Step 6: Final answer
x = 222,987.79
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1.5x scale
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.