Finding the Fourth Proportional to 247,660.92, 341,808.17 and 138,772.62
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Solution
The fourth proportional to 247,660.92, 341,808.17 and 138,772.62 is: 191,526.44
Step by Step Solution
- Step 1: Write the proportion equation
247,660.92 : 341,808.17 = 138,772.62 : x - Step 2: Convert to fraction form
247,660.92/341,808.17 = 138,772.62/x - Step 3: Cross multiply
247,660.92x = 341,808.17 × 138,772.62 - Step 4: Simplify right side
247,660.92x = 47,433,615,288.31 - Step 5: Solve for x
x = 47,433,615,288.31/247,660.92 - Step 6: Final answer
x = 191,526.44
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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.