Finding the Fourth Proportional to 252,128.08, 378,237.10 and 83,658.52
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Solution
The fourth proportional to 252,128.08, 378,237.10 and 83,658.52 is: 125,502.70
Step by Step Solution
- Step 1: Write the proportion equation
252,128.08 : 378,237.10 = 83,658.52 : x - Step 2: Convert to fraction form
252,128.08/378,237.10 = 83,658.52/x - Step 3: Cross multiply
252,128.08x = 378,237.10 × 83,658.52 - Step 4: Simplify right side
252,128.08x = 31,642,755,995.09 - Step 5: Solve for x
x = 31,642,755,995.09/252,128.08 - Step 6: Final answer
x = 125,502.70
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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.