Finding the Fourth Proportional to 171,475.38, 236,648.49 and 103,508.91
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Solution
The fourth proportional to 171,475.38, 236,648.49 and 103,508.91 is: 142,849.82
Step by Step Solution
- Step 1: Write the proportion equation
171,475.38 : 236,648.49 = 103,508.91 : x - Step 2: Convert to fraction form
171,475.38/236,648.49 = 103,508.91/x - Step 3: Cross multiply
171,475.38x = 236,648.49 × 103,508.91 - Step 4: Simplify right side
171,475.38x = 24,495,227,253.05 - Step 5: Solve for x
x = 24,495,227,253.05/171,475.38 - Step 6: Final answer
x = 142,849.82
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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.