Finding the Fourth Proportional to 259,207.68, 357,714.18 and 151,767.66
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Solution
The fourth proportional to 259,207.68, 357,714.18 and 151,767.66 is: 209,443.81
Step by Step Solution
- Step 1: Write the proportion equation
259,207.68 : 357,714.18 = 151,767.66 : x - Step 2: Convert to fraction form
259,207.68/357,714.18 = 151,767.66/x - Step 3: Cross multiply
259,207.68x = 357,714.18 × 151,767.66 - Step 4: Simplify right side
259,207.68x = 54,289,444,047.42 - Step 5: Solve for x
x = 54,289,444,047.42/259,207.68 - Step 6: Final answer
x = 209,443.81
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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.