Finding the Fourth Proportional to 327,873.76, 491,048.41 and 316,508.87
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Solution
The fourth proportional to 327,873.76, 491,048.41 and 316,508.87 is: 474,027.50
Step by Step Solution
- Step 1: Write the proportion equation
327,873.76 : 491,048.41 = 316,508.87 : x - Step 2: Convert to fraction form
327,873.76/491,048.41 = 316,508.87/x - Step 3: Cross multiply
327,873.76x = 491,048.41 × 316,508.87 - Step 4: Simplify right side
327,873.76x = 155,421,178,394.20 - Step 5: Solve for x
x = 155,421,178,394.20/327,873.76 - Step 6: Final answer
x = 474,027.50
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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.