Finding the Fourth Proportional to 187,149.68, 280,738.80 and 62,490.68
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Solution
The fourth proportional to 187,149.68, 280,738.80 and 62,490.68 is: 93,740.79
Step by Step Solution
- Step 1: Write the proportion equation
187,149.68 : 280,738.80 = 62,490.68 : x - Step 2: Convert to fraction form
187,149.68/280,738.80 = 62,490.68/x - Step 3: Cross multiply
187,149.68x = 280,738.80 × 62,490.68 - Step 4: Simplify right side
187,149.68x = 17,543,558,514.38 - Step 5: Solve for x
x = 17,543,558,514.38/187,149.68 - Step 6: Final answer
x = 93,740.79
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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.