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Finding the Fourth Proportional to 284,793.20, 426,606.60 and 144,630.80

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Solution

The fourth proportional to 284,793.20, 426,606.60 and 144,630.80 is: 216,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,793.20 : 426,606.60 = 144,630.80 : x
  2. Step 2: Convert to fraction form
    284,793.20/426,606.60 = 144,630.80/x
  3. Step 3: Cross multiply
    284,793.20x = 426,606.60 × 144,630.80
  4. Step 4: Simplify right side
    284,793.20x = 61,700,453,843.28
  5. Step 5: Solve for x
    x = 61,700,453,843.28/284,793.20
  6. Step 6: Final answer
    x = 216,650.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.