Finding the Fourth Proportional to 288,528.97, 398,167.81 and 159,476.23
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Solution
The fourth proportional to 288,528.97, 398,167.81 and 159,476.23 is: 220,076.00
Step by Step Solution
- Step 1: Write the proportion equation
288,528.97 : 398,167.81 = 159,476.23 : x - Step 2: Convert to fraction form
288,528.97/398,167.81 = 159,476.23/x - Step 3: Cross multiply
288,528.97x = 398,167.81 × 159,476.23 - Step 4: Simplify right side
288,528.97x = 63,498,301,246.16 - Step 5: Solve for x
x = 63,498,301,246.16/288,528.97 - Step 6: Final answer
x = 220,076.00
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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.