Home / 226,424.80-339,637.20-131,946.40

Finding the Fourth Proportional to 226,424.80, 339,637.20 and 131,946.40

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Solution

The fourth proportional to 226,424.80, 339,637.20 and 131,946.40 is: 197,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,424.80 : 339,637.20 = 131,946.40 : x
  2. Step 2: Convert to fraction form
    226,424.80/339,637.20 = 131,946.40/x
  3. Step 3: Cross multiply
    226,424.80x = 339,637.20 × 131,946.40
  4. Step 4: Simplify right side
    226,424.80x = 44,813,905,846.08
  5. Step 5: Solve for x
    x = 44,813,905,846.08/226,424.80
  6. Step 6: Final answer
    x = 197,919.60

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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.