Finding the Fourth Proportional to 288,616.44, 432,981.36 and 88,902.84
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Solution
The fourth proportional to 288,616.44, 432,981.36 and 88,902.84 is: 133,371.73
Step by Step Solution
- Step 1: Write the proportion equation
288,616.44 : 432,981.36 = 88,902.84 : x - Step 2: Convert to fraction form
288,616.44/432,981.36 = 88,902.84/x - Step 3: Cross multiply
288,616.44x = 432,981.36 × 88,902.84 - Step 4: Simplify right side
288,616.44x = 38,493,272,571.06 - Step 5: Solve for x
x = 38,493,272,571.06/288,616.44 - Step 6: Final answer
x = 133,371.73
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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.