Home / 307,844.20-462,057.90-189,746.20

Finding the Fourth Proportional to 307,844.20, 462,057.90 and 189,746.20

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Solution

The fourth proportional to 307,844.20, 462,057.90 and 189,746.20 is: 284,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,844.20 : 462,057.90 = 189,746.20 : x
  2. Step 2: Convert to fraction form
    307,844.20/462,057.90 = 189,746.20/x
  3. Step 3: Cross multiply
    307,844.20x = 462,057.90 × 189,746.20
  4. Step 4: Simplify right side
    307,844.20x = 87,673,730,704.98
  5. Step 5: Solve for x
    x = 87,673,730,704.98/307,844.20
  6. Step 6: Final answer
    x = 284,799.03

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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.