Home / 284,581.24-392,722.25-157,256.83

Finding the Fourth Proportional to 284,581.24, 392,722.25 and 157,256.83

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Solution

The fourth proportional to 284,581.24, 392,722.25 and 157,256.83 is: 217,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,581.24 : 392,722.25 = 157,256.83 : x
  2. Step 2: Convert to fraction form
    284,581.24/392,722.25 = 157,256.83/x
  3. Step 3: Cross multiply
    284,581.24x = 392,722.25 × 157,256.83
  4. Step 4: Simplify right side
    284,581.24x = 61,758,257,431.01
  5. Step 5: Solve for x
    x = 61,758,257,431.01/284,581.24
  6. Step 6: Final answer
    x = 217,014.51

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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.