Home / 374,209.20-561,204.45-134,295.30

Finding the Fourth Proportional to 374,209.20, 561,204.45 and 134,295.30

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Solution

The fourth proportional to 374,209.20, 561,204.45 and 134,295.30 is: 201,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,209.20 : 561,204.45 = 134,295.30 : x
  2. Step 2: Convert to fraction form
    374,209.20/561,204.45 = 134,295.30/x
  3. Step 3: Cross multiply
    374,209.20x = 561,204.45 × 134,295.30
  4. Step 4: Simplify right side
    374,209.20x = 75,367,119,974.09
  5. Step 5: Solve for x
    x = 75,367,119,974.09/374,209.20
  6. Step 6: Final answer
    x = 201,403.71

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1.5x scale

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.