Home / 475,033.11-655,521.18-260,131.65

Finding the Fourth Proportional to 475,033.11, 655,521.18 and 260,131.65

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Solution

The fourth proportional to 475,033.11, 655,521.18 and 260,131.65 is: 358,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,033.11 : 655,521.18 = 260,131.65 : x
  2. Step 2: Convert to fraction form
    475,033.11/655,521.18 = 260,131.65/x
  3. Step 3: Cross multiply
    475,033.11x = 655,521.18 × 260,131.65
  4. Step 4: Simplify right side
    475,033.11x = 170,521,806,163.35
  5. Step 5: Solve for x
    x = 170,521,806,163.35/475,033.11
  6. Step 6: Final answer
    x = 358,968.25

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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.