Home / 315,023.40-472,535.10-226,449.90

Finding the Fourth Proportional to 315,023.40, 472,535.10 and 226,449.90

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Solution

The fourth proportional to 315,023.40, 472,535.10 and 226,449.90 is: 339,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,023.40 : 472,535.10 = 226,449.90 : x
  2. Step 2: Convert to fraction form
    315,023.40/472,535.10 = 226,449.90/x
  3. Step 3: Cross multiply
    315,023.40x = 472,535.10 × 226,449.90
  4. Step 4: Simplify right side
    315,023.40x = 107,005,526,141.49
  5. Step 5: Solve for x
    x = 107,005,526,141.49/315,023.40
  6. Step 6: Final answer
    x = 339,674.85

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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.