Home / 381,810.03-526,867.12-220,675.52

Finding the Fourth Proportional to 381,810.03, 526,867.12 and 220,675.52

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Solution

The fourth proportional to 381,810.03, 526,867.12 and 220,675.52 is: 304,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,810.03 : 526,867.12 = 220,675.52 : x
  2. Step 2: Convert to fraction form
    381,810.03/526,867.12 = 220,675.52/x
  3. Step 3: Cross multiply
    381,810.03x = 526,867.12 × 220,675.52
  4. Step 4: Simplify right side
    381,810.03x = 116,266,675,676.90
  5. Step 5: Solve for x
    x = 116,266,675,676.90/381,810.03
  6. Step 6: Final answer
    x = 304,514.46

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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.