Home / 269,201.20-371,482.32-154,455.52

Finding the Fourth Proportional to 269,201.20, 371,482.32 and 154,455.52

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Solution

The fourth proportional to 269,201.20, 371,482.32 and 154,455.52 is: 213,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,201.20 : 371,482.32 = 154,455.52 : x
  2. Step 2: Convert to fraction form
    269,201.20/371,482.32 = 154,455.52/x
  3. Step 3: Cross multiply
    269,201.20x = 371,482.32 × 154,455.52
  4. Step 4: Simplify right side
    269,201.20x = 57,377,494,906.41
  5. Step 5: Solve for x
    x = 57,377,494,906.41/269,201.20
  6. Step 6: Final answer
    x = 213,139.82

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1.5x scale

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.