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Finding the Fourth Proportional to 381,776.33, 526,792.73 and 220,600.12

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Solution

The fourth proportional to 381,776.33, 526,792.73 and 220,600.12 is: 304,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,776.33 : 526,792.73 = 220,600.12 : x
  2. Step 2: Convert to fraction form
    381,776.33/526,792.73 = 220,600.12/x
  3. Step 3: Cross multiply
    381,776.33x = 526,792.73 × 220,600.12
  4. Step 4: Simplify right side
    381,776.33x = 116,210,539,453.13
  5. Step 5: Solve for x
    x = 116,210,539,453.13/381,776.33
  6. Step 6: Final answer
    x = 304,394.30

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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.