Finding the Fourth Proportional to 288,851.92, 398,652.78 and 161,534.68
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Solution
The fourth proportional to 288,851.92, 398,652.78 and 161,534.68 is: 222,938.62
Step by Step Solution
- Step 1: Write the proportion equation
288,851.92 : 398,652.78 = 161,534.68 : x - Step 2: Convert to fraction form
288,851.92/398,652.78 = 161,534.68/x - Step 3: Cross multiply
288,851.92x = 398,652.78 × 161,534.68 - Step 4: Simplify right side
288,851.92x = 64,396,249,248.41 - Step 5: Solve for x
x = 64,396,249,248.41/288,851.92 - Step 6: Final answer
x = 222,938.62
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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.