Home / 215,377.47-297,215.78-119,882.12

Finding the Fourth Proportional to 215,377.47, 297,215.78 and 119,882.12

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Solution

The fourth proportional to 215,377.47, 297,215.78 and 119,882.12 is: 165,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,377.47 : 297,215.78 = 119,882.12 : x
  2. Step 2: Convert to fraction form
    215,377.47/297,215.78 = 119,882.12/x
  3. Step 3: Cross multiply
    215,377.47x = 297,215.78 × 119,882.12
  4. Step 4: Simplify right side
    215,377.47x = 35,630,855,718.36
  5. Step 5: Solve for x
    x = 35,630,855,718.36/215,377.47
  6. Step 6: Final answer
    x = 165,434.46

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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.