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Finding the Fourth Proportional to 284,676.20, 426,722.70 and 166,286.60

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Solution

The fourth proportional to 284,676.20, 426,722.70 and 166,286.60 is: 249,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,676.20 : 426,722.70 = 166,286.60 : x
  2. Step 2: Convert to fraction form
    284,676.20/426,722.70 = 166,286.60/x
  3. Step 3: Cross multiply
    284,676.20x = 426,722.70 × 166,286.60
  4. Step 4: Simplify right side
    284,676.20x = 70,958,266,925.82
  5. Step 5: Solve for x
    x = 70,958,266,925.82/284,676.20
  6. Step 6: Final answer
    x = 249,259.57

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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.