Home / 226,451.34-312,496.11-129,652.02

Finding the Fourth Proportional to 226,451.34, 312,496.11 and 129,652.02

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Solution

The fourth proportional to 226,451.34, 312,496.11 and 129,652.02 is: 178,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,451.34 : 312,496.11 = 129,652.02 : x
  2. Step 2: Convert to fraction form
    226,451.34/312,496.11 = 129,652.02/x
  3. Step 3: Cross multiply
    226,451.34x = 312,496.11 × 129,652.02
  4. Step 4: Simplify right side
    226,451.34x = 40,515,751,903.64
  5. Step 5: Solve for x
    x = 40,515,751,903.64/226,451.34
  6. Step 6: Final answer
    x = 178,915.93

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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.