Home / 226,748.20-340,122.30-128,444.20

Finding the Fourth Proportional to 226,748.20, 340,122.30 and 128,444.20

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Solution

The fourth proportional to 226,748.20, 340,122.30 and 128,444.20 is: 192,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,748.20 : 340,122.30 = 128,444.20 : x
  2. Step 2: Convert to fraction form
    226,748.20/340,122.30 = 128,444.20/x
  3. Step 3: Cross multiply
    226,748.20x = 340,122.30 × 128,444.20
  4. Step 4: Simplify right side
    226,748.20x = 43,686,736,725.66
  5. Step 5: Solve for x
    x = 43,686,736,725.66/226,748.20
  6. Step 6: Final answer
    x = 192,666.30

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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.