Home / 230,867.10-346,300.65-205,983.90

Finding the Fourth Proportional to 230,867.10, 346,300.65 and 205,983.90

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Solution

The fourth proportional to 230,867.10, 346,300.65 and 205,983.90 is: 308,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,867.10 : 346,300.65 = 205,983.90 : x
  2. Step 2: Convert to fraction form
    230,867.10/346,300.65 = 205,983.90/x
  3. Step 3: Cross multiply
    230,867.10x = 346,300.65 × 205,983.90
  4. Step 4: Simplify right side
    230,867.10x = 71,332,358,459.54
  5. Step 5: Solve for x
    x = 71,332,358,459.54/230,867.10
  6. Step 6: Final answer
    x = 308,975.85

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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.