Home / 358,742.88-494,770.68-261,837.72

Finding the Fourth Proportional to 358,742.88, 494,770.68 and 261,837.72

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Solution

The fourth proportional to 358,742.88, 494,770.68 and 261,837.72 is: 361,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,742.88 : 494,770.68 = 261,837.72 : x
  2. Step 2: Convert to fraction form
    358,742.88/494,770.68 = 261,837.72/x
  3. Step 3: Cross multiply
    358,742.88x = 494,770.68 × 261,837.72
  4. Step 4: Simplify right side
    358,742.88x = 129,549,626,774.05
  5. Step 5: Solve for x
    x = 129,549,626,774.05/358,742.88
  6. Step 6: Final answer
    x = 361,121.11

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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.