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Finding the Fourth Proportional to 362,542.20, 544,007.70 and 152,201.40

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Solution

The fourth proportional to 362,542.20, 544,007.70 and 152,201.40 is: 228,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,542.20 : 544,007.70 = 152,201.40 : x
  2. Step 2: Convert to fraction form
    362,542.20/544,007.70 = 152,201.40/x
  3. Step 3: Cross multiply
    362,542.20x = 544,007.70 × 152,201.40
  4. Step 4: Simplify right side
    362,542.20x = 82,798,733,550.78
  5. Step 5: Solve for x
    x = 82,798,733,550.78/362,542.20
  6. Step 6: Final answer
    x = 228,383.71

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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.