Home / 245,251.17-338,448.85-148,457.25

Finding the Fourth Proportional to 245,251.17, 338,448.85 and 148,457.25

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Solution

The fourth proportional to 245,251.17, 338,448.85 and 148,457.25 is: 204,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,251.17 : 338,448.85 = 148,457.25 : x
  2. Step 2: Convert to fraction form
    245,251.17/338,448.85 = 148,457.25/x
  3. Step 3: Cross multiply
    245,251.17x = 338,448.85 × 148,457.25
  4. Step 4: Simplify right side
    245,251.17x = 50,245,185,165.52
  5. Step 5: Solve for x
    x = 50,245,185,165.52/245,251.17
  6. Step 6: Final answer
    x = 204,872.36

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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.