Home / 381,266.04-526,139.10-211,498.68

Finding the Fourth Proportional to 381,266.04, 526,139.10 and 211,498.68

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Solution

The fourth proportional to 381,266.04, 526,139.10 and 211,498.68 is: 291,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,266.04 : 526,139.10 = 211,498.68 : x
  2. Step 2: Convert to fraction form
    381,266.04/526,139.10 = 211,498.68/x
  3. Step 3: Cross multiply
    381,266.04x = 526,139.10 × 211,498.68
  4. Step 4: Simplify right side
    381,266.04x = 111,277,725,146.39
  5. Step 5: Solve for x
    x = 111,277,725,146.39/381,266.04
  6. Step 6: Final answer
    x = 291,863.72

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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.