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Finding the Fourth Proportional to 284,109.60, 426,164.40 and 228,122.40

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Solution

The fourth proportional to 284,109.60, 426,164.40 and 228,122.40 is: 342,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,109.60 : 426,164.40 = 228,122.40 : x
  2. Step 2: Convert to fraction form
    284,109.60/426,164.40 = 228,122.40/x
  3. Step 3: Cross multiply
    284,109.60x = 426,164.40 × 228,122.40
  4. Step 4: Simplify right side
    284,109.60x = 97,217,645,722.56
  5. Step 5: Solve for x
    x = 97,217,645,722.56/284,109.60
  6. Step 6: Final answer
    x = 342,183.60

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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.