Finding the Fourth Proportional to 247,389.12, 341,433.60 and 156,753.48
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Solution
The fourth proportional to 247,389.12, 341,433.60 and 156,753.48 is: 216,343.00
Step by Step Solution
- Step 1: Write the proportion equation
247,389.12 : 341,433.60 = 156,753.48 : x - Step 2: Convert to fraction form
247,389.12/341,433.60 = 156,753.48/x - Step 3: Cross multiply
247,389.12x = 341,433.60 × 156,753.48 - Step 4: Simplify right side
247,389.12x = 53,520,904,988.93 - Step 5: Solve for x
x = 53,520,904,988.93/247,389.12 - Step 6: Final answer
x = 216,343.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.