Home / 284,581.08-392,722.04-157,256.68

Finding the Fourth Proportional to 284,581.08, 392,722.04 and 157,256.68

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Solution

The fourth proportional to 284,581.08, 392,722.04 and 157,256.68 is: 217,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,581.08 : 392,722.04 = 157,256.68 : x
  2. Step 2: Convert to fraction form
    284,581.08/392,722.04 = 157,256.68/x
  3. Step 3: Cross multiply
    284,581.08x = 392,722.04 × 157,256.68
  4. Step 4: Simplify right side
    284,581.08x = 61,758,161,423.33
  5. Step 5: Solve for x
    x = 61,758,161,423.33/284,581.08
  6. Step 6: Final answer
    x = 217,014.29

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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.