Finding the Fourth Proportional to 259,207.18, 357,713.49 and 151,767.16
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Solution
The fourth proportional to 259,207.18, 357,713.49 and 151,767.16 is: 209,443.12
Step by Step Solution
- Step 1: Write the proportion equation
259,207.18 : 357,713.49 = 151,767.16 : x - Step 2: Convert to fraction form
259,207.18/357,713.49 = 151,767.16/x - Step 3: Cross multiply
259,207.18x = 357,713.49 × 151,767.16 - Step 4: Simplify right side
259,207.18x = 54,289,160,470.99 - Step 5: Solve for x
x = 54,289,160,470.99/259,207.18 - Step 6: Final answer
x = 209,443.12
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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.