Home / 371,789.37-513,072.40-202,023.49

Finding the Fourth Proportional to 371,789.37, 513,072.40 and 202,023.49

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Solution

The fourth proportional to 371,789.37, 513,072.40 and 202,023.49 is: 278,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,789.37 : 513,072.40 = 202,023.49 : x
  2. Step 2: Convert to fraction form
    371,789.37/513,072.40 = 202,023.49/x
  3. Step 3: Cross multiply
    371,789.37x = 513,072.40 × 202,023.49
  4. Step 4: Simplify right side
    371,789.37x = 103,652,678,434.95
  5. Step 5: Solve for x
    x = 103,652,678,434.95/371,789.37
  6. Step 6: Final answer
    x = 278,794.09

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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.