Home / 226,440.90-312,408.74-135,826.20

Finding the Fourth Proportional to 226,440.90, 312,408.74 and 135,826.20

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Solution

The fourth proportional to 226,440.90, 312,408.74 and 135,826.20 is: 187,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,440.90 : 312,408.74 = 135,826.20 : x
  2. Step 2: Convert to fraction form
    226,440.90/312,408.74 = 135,826.20/x
  3. Step 3: Cross multiply
    226,440.90x = 312,408.74 × 135,826.20
  4. Step 4: Simplify right side
    226,440.90x = 42,433,292,000.99
  5. Step 5: Solve for x
    x = 42,433,292,000.99/226,440.90
  6. Step 6: Final answer
    x = 187,392.35

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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.