Finding the Fourth Proportional to 156,982.80, 235,474.20 and 149,601.68
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Solution
The fourth proportional to 156,982.80, 235,474.20 and 149,601.68 is: 224,402.52
Step by Step Solution
- Step 1: Write the proportion equation
156,982.80 : 235,474.20 = 149,601.68 : x - Step 2: Convert to fraction form
156,982.80/235,474.20 = 149,601.68/x - Step 3: Cross multiply
156,982.80x = 235,474.20 × 149,601.68 - Step 4: Simplify right side
156,982.80x = 35,227,335,916.66 - Step 5: Solve for x
x = 35,227,335,916.66/156,982.80 - Step 6: Final answer
x = 224,402.52
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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.