Finding the Fourth Proportional to 288,553.24, 398,224.08 and 159,488.95
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Solution
The fourth proportional to 288,553.24, 398,224.08 and 159,488.95 is: 220,106.14
Step by Step Solution
- Step 1: Write the proportion equation
288,553.24 : 398,224.08 = 159,488.95 : x - Step 2: Convert to fraction form
288,553.24/398,224.08 = 159,488.95/x - Step 3: Cross multiply
288,553.24x = 398,224.08 × 159,488.95 - Step 4: Simplify right side
288,553.24x = 63,512,340,383.92 - Step 5: Solve for x
x = 63,512,340,383.92/288,553.24 - Step 6: Final answer
x = 220,106.14
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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.