Home / 245,215.38-338,386.43-143,250.29

Finding the Fourth Proportional to 245,215.38, 338,386.43 and 143,250.29

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Solution

The fourth proportional to 245,215.38, 338,386.43 and 143,250.29 is: 197,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,215.38 : 338,386.43 = 143,250.29 : x
  2. Step 2: Convert to fraction form
    245,215.38/338,386.43 = 143,250.29/x
  3. Step 3: Cross multiply
    245,215.38x = 338,386.43 × 143,250.29
  4. Step 4: Simplify right side
    245,215.38x = 48,473,951,821.38
  5. Step 5: Solve for x
    x = 48,473,951,821.38/245,215.38
  6. Step 6: Final answer
    x = 197,679.08

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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.