Home / 428,850.39-591,813.87-237,865.15

Finding the Fourth Proportional to 428,850.39, 591,813.87 and 237,865.15

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Solution

The fourth proportional to 428,850.39, 591,813.87 and 237,865.15 is: 328,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,850.39 : 591,813.87 = 237,865.15 : x
  2. Step 2: Convert to fraction form
    428,850.39/591,813.87 = 237,865.15/x
  3. Step 3: Cross multiply
    428,850.39x = 591,813.87 × 237,865.15
  4. Step 4: Simplify right side
    428,850.39x = 140,771,893,480.10
  5. Step 5: Solve for x
    x = 140,771,893,480.10/428,850.39
  6. Step 6: Final answer
    x = 328,254.09

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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.