Home / 289,044.20-433,558.20-131,272.40

Finding the Fourth Proportional to 289,044.20, 433,558.20 and 131,272.40

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Solution

The fourth proportional to 289,044.20, 433,558.20 and 131,272.40 is: 196,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,044.20 : 433,558.20 = 131,272.40 : x
  2. Step 2: Convert to fraction form
    289,044.20/433,558.20 = 131,272.40/x
  3. Step 3: Cross multiply
    289,044.20x = 433,558.20 × 131,272.40
  4. Step 4: Simplify right side
    289,044.20x = 56,914,225,453.68
  5. Step 5: Solve for x
    x = 56,914,225,453.68/289,044.20
  6. Step 6: Final answer
    x = 196,904.92

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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.