Finding the Fourth Proportional to 288,546.17, 432,852.06 and 99,020.75
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Solution
The fourth proportional to 288,546.17, 432,852.06 and 99,020.75 is: 148,542.38
Step by Step Solution
- Step 1: Write the proportion equation
288,546.17 : 432,852.06 = 99,020.75 : x - Step 2: Convert to fraction form
288,546.17/432,852.06 = 99,020.75/x - Step 3: Cross multiply
288,546.17x = 432,852.06 × 99,020.75 - Step 4: Simplify right side
288,546.17x = 42,861,335,620.25 - Step 5: Solve for x
x = 42,861,335,620.25/288,546.17 - Step 6: Final answer
x = 148,542.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.