Home / 284,581.55-392,722.69-157,257.15

Finding the Fourth Proportional to 284,581.55, 392,722.69 and 157,257.15

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Solution

The fourth proportional to 284,581.55, 392,722.69 and 157,257.15 is: 217,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,581.55 : 392,722.69 = 157,257.15 : x
  2. Step 2: Convert to fraction form
    284,581.55/392,722.69 = 157,257.15/x
  3. Step 3: Cross multiply
    284,581.55x = 392,722.69 × 157,257.15
  4. Step 4: Simplify right side
    284,581.55x = 61,758,448,219.83
  5. Step 5: Solve for x
    x = 61,758,448,219.83/284,581.55
  6. Step 6: Final answer
    x = 217,014.94

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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.