Finding the Fourth Proportional to 187,584.86, 258,866.84 and 101,543.42
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Solution
The fourth proportional to 187,584.86, 258,866.84 and 101,543.42 is: 140,129.78
Step by Step Solution
- Step 1: Write the proportion equation
187,584.86 : 258,866.84 = 101,543.42 : x - Step 2: Convert to fraction form
187,584.86/258,866.84 = 101,543.42/x - Step 3: Cross multiply
187,584.86x = 258,866.84 × 101,543.42 - Step 4: Simplify right side
187,584.86x = 26,286,224,588.04 - Step 5: Solve for x
x = 26,286,224,588.04/187,584.86 - Step 6: Final answer
x = 140,129.78
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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.