Finding the Fourth Proportional to 177,349.20, 266,218.20 and 98,422.80
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Solution
The fourth proportional to 177,349.20, 266,218.20 and 98,422.80 is: 147,742.09
Step by Step Solution
- Step 1: Write the proportion equation
177,349.20 : 266,218.20 = 98,422.80 : x - Step 2: Convert to fraction form
177,349.20/266,218.20 = 98,422.80/x - Step 3: Cross multiply
177,349.20x = 266,218.20 × 98,422.80 - Step 4: Simplify right side
177,349.20x = 26,201,940,654.96 - Step 5: Solve for x
x = 26,201,940,654.96/177,349.20 - Step 6: Final answer
x = 147,742.09
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1.5x scale
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.