Home / 378,217.50-566,943.39-245,182.20

Finding the Fourth Proportional to 378,217.50, 566,943.39 and 245,182.20

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Solution

The fourth proportional to 378,217.50, 566,943.39 and 245,182.20 is: 367,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,217.50 : 566,943.39 = 245,182.20 : x
  2. Step 2: Convert to fraction form
    378,217.50/566,943.39 = 245,182.20/x
  3. Step 3: Cross multiply
    378,217.50x = 566,943.39 × 245,182.20
  4. Step 4: Simplify right side
    378,217.50x = 139,004,427,635.66
  5. Step 5: Solve for x
    x = 139,004,427,635.66/378,217.50
  6. Step 6: Final answer
    x = 367,525.11

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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.