Finding the Fourth Proportional to 288,992.70, 433,489.05 and 102,023.10
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Solution
The fourth proportional to 288,992.70, 433,489.05 and 102,023.10 is: 153,034.65
Step by Step Solution
- Step 1: Write the proportion equation
288,992.70 : 433,489.05 = 102,023.10 : x - Step 2: Convert to fraction form
288,992.70/433,489.05 = 102,023.10/x - Step 3: Cross multiply
288,992.70x = 433,489.05 × 102,023.10 - Step 4: Simplify right side
288,992.70x = 44,225,896,697.06 - Step 5: Solve for x
x = 44,225,896,697.06/288,992.70 - Step 6: Final answer
x = 153,034.65
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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.