Home / 381,823.47-526,885.56-220,688.96

Finding the Fourth Proportional to 381,823.47, 526,885.56 and 220,688.96

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Solution

The fourth proportional to 381,823.47, 526,885.56 and 220,688.96 is: 304,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,823.47 : 526,885.56 = 220,688.96 : x
  2. Step 2: Convert to fraction form
    381,823.47/526,885.56 = 220,688.96/x
  3. Step 3: Cross multiply
    381,823.47x = 526,885.56 × 220,688.96
  4. Step 4: Simplify right side
    381,823.47x = 116,277,823,640.99
  5. Step 5: Solve for x
    x = 116,277,823,640.99/381,823.47
  6. Step 6: Final answer
    x = 304,532.94

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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.