Home / 284,784.44-392,972.46-157,439.48

Finding the Fourth Proportional to 284,784.44, 392,972.46 and 157,439.48

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Solution

The fourth proportional to 284,784.44, 392,972.46 and 157,439.48 is: 217,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,784.44 : 392,972.46 = 157,439.48 : x
  2. Step 2: Convert to fraction form
    284,784.44/392,972.46 = 157,439.48/x
  3. Step 3: Cross multiply
    284,784.44x = 392,972.46 × 157,439.48
  4. Step 4: Simplify right side
    284,784.44x = 61,869,379,756.72
  5. Step 5: Solve for x
    x = 61,869,379,756.72/284,784.44
  6. Step 6: Final answer
    x = 217,249.86

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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.