Finding the Fourth Proportional to 288,195.44, 432,283.86 and 130,423.88
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Solution
The fourth proportional to 288,195.44, 432,283.86 and 130,423.88 is: 195,631.61
Step by Step Solution
- Step 1: Write the proportion equation
288,195.44 : 432,283.86 = 130,423.88 : x - Step 2: Convert to fraction form
288,195.44/432,283.86 = 130,423.88/x - Step 3: Cross multiply
288,195.44x = 432,283.86 × 130,423.88 - Step 4: Simplify right side
288,195.44x = 56,380,138,282.58 - Step 5: Solve for x
x = 56,380,138,282.58/288,195.44 - Step 6: Final answer
x = 195,631.61
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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.