Finding the Fourth Proportional to 227,387.76, 313,790.84 and 125,422.74
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Solution
The fourth proportional to 227,387.76, 313,790.84 and 125,422.74 is: 173,081.03
Step by Step Solution
- Step 1: Write the proportion equation
227,387.76 : 313,790.84 = 125,422.74 : x - Step 2: Convert to fraction form
227,387.76/313,790.84 = 125,422.74/x - Step 3: Cross multiply
227,387.76x = 313,790.84 × 125,422.74 - Step 4: Simplify right side
227,387.76x = 39,356,506,939.70 - Step 5: Solve for x
x = 39,356,506,939.70/227,387.76 - Step 6: Final answer
x = 173,081.03
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1.5x scale
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.