Finding the Fourth Proportional to 410,793.30, 615,023.55 and 316,703.70
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Solution
The fourth proportional to 410,793.30, 615,023.55 and 316,703.70 is: 474,156.31
Step by Step Solution
- Step 1: Write the proportion equation
410,793.30 : 615,023.55 = 316,703.70 : x - Step 2: Convert to fraction form
410,793.30/615,023.55 = 316,703.70/x - Step 3: Cross multiply
410,793.30x = 615,023.55 × 316,703.70 - Step 4: Simplify right side
410,793.30x = 194,780,233,872.14 - Step 5: Solve for x
x = 194,780,233,872.14/410,793.30 - Step 6: Final answer
x = 474,156.31
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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.