Home / 278,029.10-383,669.87-150,701.96

Finding the Fourth Proportional to 278,029.10, 383,669.87 and 150,701.96

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Solution

The fourth proportional to 278,029.10, 383,669.87 and 150,701.96 is: 207,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,029.10 : 383,669.87 = 150,701.96 : x
  2. Step 2: Convert to fraction form
    278,029.10/383,669.87 = 150,701.96/x
  3. Step 3: Cross multiply
    278,029.10x = 383,669.87 × 150,701.96
  4. Step 4: Simplify right side
    278,029.10x = 57,819,798,730.09
  5. Step 5: Solve for x
    x = 57,819,798,730.09/278,029.10
  6. Step 6: Final answer
    x = 207,963.12

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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.