Home / 284,580.58-392,721.35-157,256.18

Finding the Fourth Proportional to 284,580.58, 392,721.35 and 157,256.18

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Solution

The fourth proportional to 284,580.58, 392,721.35 and 157,256.18 is: 217,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,580.58 : 392,721.35 = 157,256.18 : x
  2. Step 2: Convert to fraction form
    284,580.58/392,721.35 = 157,256.18/x
  3. Step 3: Cross multiply
    284,580.58x = 392,721.35 × 157,256.18
  4. Step 4: Simplify right side
    284,580.58x = 61,757,856,923.73
  5. Step 5: Solve for x
    x = 61,757,856,923.73/284,580.58
  6. Step 6: Final answer
    x = 217,013.60

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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.