Home / 230,867.20-346,300.80-90,553.60

Finding the Fourth Proportional to 230,867.20, 346,300.80 and 90,553.60

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Solution

The fourth proportional to 230,867.20, 346,300.80 and 90,553.60 is: 135,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,867.20 : 346,300.80 = 90,553.60 : x
  2. Step 2: Convert to fraction form
    230,867.20/346,300.80 = 90,553.60/x
  3. Step 3: Cross multiply
    230,867.20x = 346,300.80 × 90,553.60
  4. Step 4: Simplify right side
    230,867.20x = 31,358,784,122.88
  5. Step 5: Solve for x
    x = 31,358,784,122.88/230,867.20
  6. Step 6: Final answer
    x = 135,830.40

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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.