Finding the Fourth Proportional to 259,409.93, 357,882.40 and 157,397.92
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Solution
The fourth proportional to 259,409.93, 357,882.40 and 157,397.92 is: 217,146.45
Step by Step Solution
- Step 1: Write the proportion equation
259,409.93 : 357,882.40 = 157,397.92 : x - Step 2: Convert to fraction form
259,409.93/357,882.40 = 157,397.92/x - Step 3: Cross multiply
259,409.93x = 357,882.40 × 157,397.92 - Step 4: Simplify right side
259,409.93x = 56,329,944,666.65 - Step 5: Solve for x
x = 56,329,944,666.65/259,409.93 - Step 6: Final answer
x = 217,146.45
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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.