Home / 226,285.22-312,238.89-130,773.47

Finding the Fourth Proportional to 226,285.22, 312,238.89 and 130,773.47

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Solution

The fourth proportional to 226,285.22, 312,238.89 and 130,773.47 is: 180,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,285.22 : 312,238.89 = 130,773.47 : x
  2. Step 2: Convert to fraction form
    226,285.22/312,238.89 = 130,773.47/x
  3. Step 3: Cross multiply
    226,285.22x = 312,238.89 × 130,773.47
  4. Step 4: Simplify right side
    226,285.22x = 40,832,563,114.25
  5. Step 5: Solve for x
    x = 40,832,563,114.25/226,285.22
  6. Step 6: Final answer
    x = 180,447.33

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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.