Home / 381,306.56-526,266.06-211,595.36

Finding the Fourth Proportional to 381,306.56, 526,266.06 and 211,595.36

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Solution

The fourth proportional to 381,306.56, 526,266.06 and 211,595.36 is: 292,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,306.56 : 526,266.06 = 211,595.36 : x
  2. Step 2: Convert to fraction form
    381,306.56/526,266.06 = 211,595.36/x
  3. Step 3: Cross multiply
    381,306.56x = 526,266.06 × 211,595.36
  4. Step 4: Simplify right side
    381,306.56x = 111,355,456,421.48
  5. Step 5: Solve for x
    x = 111,355,456,421.48/381,306.56
  6. Step 6: Final answer
    x = 292,036.56

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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.