Home / 383,011.20-574,516.80-102,528.46

Finding the Fourth Proportional to 383,011.20, 574,516.80 and 102,528.46

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Solution

The fourth proportional to 383,011.20, 574,516.80 and 102,528.46 is: 153,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,011.20 : 574,516.80 = 102,528.46 : x
  2. Step 2: Convert to fraction form
    383,011.20/574,516.80 = 102,528.46/x
  3. Step 3: Cross multiply
    383,011.20x = 574,516.80 × 102,528.46
  4. Step 4: Simplify right side
    383,011.20x = 58,904,322,748.13
  5. Step 5: Solve for x
    x = 58,904,322,748.13/383,011.20
  6. Step 6: Final answer
    x = 153,792.69

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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.