Home / 278,013.34-383,371.95-237,860.02

Finding the Fourth Proportional to 278,013.34, 383,371.95 and 237,860.02

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Solution

The fourth proportional to 278,013.34, 383,371.95 and 237,860.02 is: 328,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,013.34 : 383,371.95 = 237,860.02 : x
  2. Step 2: Convert to fraction form
    278,013.34/383,371.95 = 237,860.02/x
  3. Step 3: Cross multiply
    278,013.34x = 383,371.95 × 237,860.02
  4. Step 4: Simplify right side
    278,013.34x = 91,188,859,694.44
  5. Step 5: Solve for x
    x = 91,188,859,694.44/278,013.34
  6. Step 6: Final answer
    x = 328,001.74

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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.