Finding the Fourth Proportional to 771,167.92, 1,156,717.84 and 210,202.44
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Solution
The fourth proportional to 771,167.92, 1,156,717.84 and 210,202.44 is: 315,294.38
Step by Step Solution
- Step 1: Write the proportion equation
771,167.92 : 1,156,717.84 = 210,202.44 : x - Step 2: Convert to fraction form
771,167.92/1,156,717.84 = 210,202.44/x - Step 3: Cross multiply
771,167.92x = 1,156,717.84 × 210,202.44 - Step 4: Simplify right side
771,167.92x = 243,144,912,359.53 - Step 5: Solve for x
x = 243,144,912,359.53/771,167.92 - Step 6: Final answer
x = 315,294.38
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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.