Home / 226,285.12-312,238.77-130,773.38

Finding the Fourth Proportional to 226,285.12, 312,238.77 and 130,773.38

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Solution

The fourth proportional to 226,285.12, 312,238.77 and 130,773.38 is: 180,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,285.12 : 312,238.77 = 130,773.38 : x
  2. Step 2: Convert to fraction form
    226,285.12/312,238.77 = 130,773.38/x
  3. Step 3: Cross multiply
    226,285.12x = 312,238.77 × 130,773.38
  4. Step 4: Simplify right side
    226,285.12x = 40,832,519,319.94
  5. Step 5: Solve for x
    x = 40,832,519,319.94/226,285.12
  6. Step 6: Final answer
    x = 180,447.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.