Home / 291,079.50-436,382.73-131,037.90

Finding the Fourth Proportional to 291,079.50, 436,382.73 and 131,037.90

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Solution

The fourth proportional to 291,079.50, 436,382.73 and 131,037.90 is: 196,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,079.50 : 436,382.73 = 131,037.90 : x
  2. Step 2: Convert to fraction form
    291,079.50/436,382.73 = 131,037.90/x
  3. Step 3: Cross multiply
    291,079.50x = 436,382.73 × 131,037.90
  4. Step 4: Simplify right side
    291,079.50x = 57,182,676,535.47
  5. Step 5: Solve for x
    x = 57,182,676,535.47/291,079.50
  6. Step 6: Final answer
    x = 196,450.37

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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.