Home / 250,467.12-345,680.06-155,004.57

Finding the Fourth Proportional to 250,467.12, 345,680.06 and 155,004.57

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Solution

The fourth proportional to 250,467.12, 345,680.06 and 155,004.57 is: 213,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,467.12 : 345,680.06 = 155,004.57 : x
  2. Step 2: Convert to fraction form
    250,467.12/345,680.06 = 155,004.57/x
  3. Step 3: Cross multiply
    250,467.12x = 345,680.06 × 155,004.57
  4. Step 4: Simplify right side
    250,467.12x = 53,581,988,282.85
  5. Step 5: Solve for x
    x = 53,581,988,282.85/250,467.12
  6. Step 6: Final answer
    x = 213,928.23

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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.