Home / 226,441.90-312,410.12-135,827.20

Finding the Fourth Proportional to 226,441.90, 312,410.12 and 135,827.20

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Solution

The fourth proportional to 226,441.90, 312,410.12 and 135,827.20 is: 187,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,441.90 : 312,410.12 = 135,827.20 : x
  2. Step 2: Convert to fraction form
    226,441.90/312,410.12 = 135,827.20/x
  3. Step 3: Cross multiply
    226,441.90x = 312,410.12 × 135,827.20
  4. Step 4: Simplify right side
    226,441.90x = 42,433,791,851.26
  5. Step 5: Solve for x
    x = 42,433,791,851.26/226,441.90
  6. Step 6: Final answer
    x = 187,393.73

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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.