Home / 242,719.20-364,078.80-226,972.80

Finding the Fourth Proportional to 242,719.20, 364,078.80 and 226,972.80

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Solution

The fourth proportional to 242,719.20, 364,078.80 and 226,972.80 is: 340,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,719.20 : 364,078.80 = 226,972.80 : x
  2. Step 2: Convert to fraction form
    242,719.20/364,078.80 = 226,972.80/x
  3. Step 3: Cross multiply
    242,719.20x = 364,078.80 × 226,972.80
  4. Step 4: Simplify right side
    242,719.20x = 82,635,984,656.64
  5. Step 5: Solve for x
    x = 82,635,984,656.64/242,719.20
  6. Step 6: Final answer
    x = 340,459.20

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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.