Home / 268,860.63-371,025.85-147,998.71

Finding the Fourth Proportional to 268,860.63, 371,025.85 and 147,998.71

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Solution

The fourth proportional to 268,860.63, 371,025.85 and 147,998.71 is: 204,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,860.63 : 371,025.85 = 147,998.71 : x
  2. Step 2: Convert to fraction form
    268,860.63/371,025.85 = 147,998.71/x
  3. Step 3: Cross multiply
    268,860.63x = 371,025.85 × 147,998.71
  4. Step 4: Simplify right side
    268,860.63x = 54,911,347,176.65
  5. Step 5: Solve for x
    x = 54,911,347,176.65/268,860.63
  6. Step 6: Final answer
    x = 204,237.22

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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.