Home / 289,337.10-433,876.05-131,484.30

Finding the Fourth Proportional to 289,337.10, 433,876.05 and 131,484.30

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Solution

The fourth proportional to 289,337.10, 433,876.05 and 131,484.30 is: 197,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,337.10 : 433,876.05 = 131,484.30 : x
  2. Step 2: Convert to fraction form
    289,337.10/433,876.05 = 131,484.30/x
  3. Step 3: Cross multiply
    289,337.10x = 433,876.05 × 131,484.30
  4. Step 4: Simplify right side
    289,337.10x = 57,047,888,721.02
  5. Step 5: Solve for x
    x = 57,047,888,721.02/289,337.10
  6. Step 6: Final answer
    x = 197,167.56

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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.