Home / 383,004.20-574,506.30-102,521.45

Finding the Fourth Proportional to 383,004.20, 574,506.30 and 102,521.45

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Solution

The fourth proportional to 383,004.20, 574,506.30 and 102,521.45 is: 153,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,004.20 : 574,506.30 = 102,521.45 : x
  2. Step 2: Convert to fraction form
    383,004.20/574,506.30 = 102,521.45/x
  3. Step 3: Cross multiply
    383,004.20x = 574,506.30 × 102,521.45
  4. Step 4: Simplify right side
    383,004.20x = 58,899,218,910.14
  5. Step 5: Solve for x
    x = 58,899,218,910.14/383,004.20
  6. Step 6: Final answer
    x = 153,782.18

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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.