Finding the Fourth Proportional to 193,288.44, 266,854.69 and 126,337.08
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Solution
The fourth proportional to 193,288.44, 266,854.69 and 126,337.08 is: 174,421.41
Step by Step Solution
- Step 1: Write the proportion equation
193,288.44 : 266,854.69 = 126,337.08 : x - Step 2: Convert to fraction form
193,288.44/266,854.69 = 126,337.08/x - Step 3: Cross multiply
193,288.44x = 266,854.69 × 126,337.08 - Step 4: Simplify right side
193,288.44x = 33,713,641,687.22 - Step 5: Solve for x
x = 33,713,641,687.22/193,288.44 - Step 6: Final answer
x = 174,421.41
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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.