Finding the Fourth Proportional to 171,930.38, 257,560.08 and 112,586.14
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Solution
The fourth proportional to 171,930.38, 257,560.08 and 112,586.14 is: 168,659.52
Step by Step Solution
- Step 1: Write the proportion equation
171,930.38 : 257,560.08 = 112,586.14 : x - Step 2: Convert to fraction form
171,930.38/257,560.08 = 112,586.14/x - Step 3: Cross multiply
171,930.38x = 257,560.08 × 112,586.14 - Step 4: Simplify right side
171,930.38x = 28,997,695,225.29 - Step 5: Solve for x
x = 28,997,695,225.29/171,930.38 - Step 6: Final answer
x = 168,659.52
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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.