Finding the Fourth Proportional to 288,656.91, 432,874.65 and 99,081.96
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Solution
The fourth proportional to 288,656.91, 432,874.65 and 99,081.96 is: 148,584.94
Step by Step Solution
- Step 1: Write the proportion equation
288,656.91 : 432,874.65 = 99,081.96 : x - Step 2: Convert to fraction form
288,656.91/432,874.65 = 99,081.96/x - Step 3: Cross multiply
288,656.91x = 432,874.65 × 99,081.96 - Step 4: Simplify right side
288,656.91x = 42,890,068,756.31 - Step 5: Solve for x
x = 42,890,068,756.31/288,656.91 - Step 6: Final answer
x = 148,584.94
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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.