Home / 288,945.10-433,288.05-131,092.30

Finding the Fourth Proportional to 288,945.10, 433,288.05 and 131,092.30

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Solution

The fourth proportional to 288,945.10, 433,288.05 and 131,092.30 is: 196,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,945.10 : 433,288.05 = 131,092.30 : x
  2. Step 2: Convert to fraction form
    288,945.10/433,288.05 = 131,092.30/x
  3. Step 3: Cross multiply
    288,945.10x = 433,288.05 × 131,092.30
  4. Step 4: Simplify right side
    288,945.10x = 56,800,727,037.02
  5. Step 5: Solve for x
    x = 56,800,727,037.02/288,945.10
  6. Step 6: Final answer
    x = 196,579.65

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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.