Home / 427,185.89-589,238.77-273,981.41

Finding the Fourth Proportional to 427,185.89, 589,238.77 and 273,981.41

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Solution

The fourth proportional to 427,185.89, 589,238.77 and 273,981.41 is: 377,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,185.89 : 589,238.77 = 273,981.41 : x
  2. Step 2: Convert to fraction form
    427,185.89/589,238.77 = 273,981.41/x
  3. Step 3: Cross multiply
    427,185.89x = 589,238.77 × 273,981.41
  4. Step 4: Simplify right side
    427,185.89x = 161,440,469,031.27
  5. Step 5: Solve for x
    x = 161,440,469,031.27/427,185.89
  6. Step 6: Final answer
    x = 377,916.20

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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.