Home / 383,002.20-574,503.30-102,519.45

Finding the Fourth Proportional to 383,002.20, 574,503.30 and 102,519.45

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Solution

The fourth proportional to 383,002.20, 574,503.30 and 102,519.45 is: 153,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,002.20 : 574,503.30 = 102,519.45 : x
  2. Step 2: Convert to fraction form
    383,002.20/574,503.30 = 102,519.45/x
  3. Step 3: Cross multiply
    383,002.20x = 574,503.30 × 102,519.45
  4. Step 4: Simplify right side
    383,002.20x = 58,897,762,339.19
  5. Step 5: Solve for x
    x = 58,897,762,339.19/383,002.20
  6. Step 6: Final answer
    x = 153,779.18

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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.