Home / 383,220.06-574,834.41-146,574.78

Finding the Fourth Proportional to 383,220.06, 574,834.41 and 146,574.78

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Solution

The fourth proportional to 383,220.06, 574,834.41 and 146,574.78 is: 219,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,220.06 : 574,834.41 = 146,574.78 : x
  2. Step 2: Convert to fraction form
    383,220.06/574,834.41 = 146,574.78/x
  3. Step 3: Cross multiply
    383,220.06x = 574,834.41 × 146,574.78
  4. Step 4: Simplify right side
    383,220.06x = 84,256,227,182.18
  5. Step 5: Solve for x
    x = 84,256,227,182.18/383,220.06
  6. Step 6: Final answer
    x = 219,863.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.