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Finding the Fourth Proportional to 226,393.71, 312,410.58 and 135,704.28

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Solution

The fourth proportional to 226,393.71, 312,410.58 and 135,704.28 is: 187,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,393.71 : 312,410.58 = 135,704.28 : x
  2. Step 2: Convert to fraction form
    226,393.71/312,410.58 = 135,704.28/x
  3. Step 3: Cross multiply
    226,393.71x = 312,410.58 × 135,704.28
  4. Step 4: Simplify right side
    226,393.71x = 42,395,452,823.28
  5. Step 5: Solve for x
    x = 42,395,452,823.28/226,393.71
  6. Step 6: Final answer
    x = 187,264.27

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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.