Home / 382,890.11-574,335.03-102,400.07

Finding the Fourth Proportional to 382,890.11, 574,335.03 and 102,400.07

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Solution

The fourth proportional to 382,890.11, 574,335.03 and 102,400.07 is: 153,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,890.11 : 574,335.03 = 102,400.07 : x
  2. Step 2: Convert to fraction form
    382,890.11/574,335.03 = 102,400.07/x
  3. Step 3: Cross multiply
    382,890.11x = 574,335.03 × 102,400.07
  4. Step 4: Simplify right side
    382,890.11x = 58,811,947,275.45
  5. Step 5: Solve for x
    x = 58,811,947,275.45/382,890.11
  6. Step 6: Final answer
    x = 153,600.07

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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.