Home / 250,400.46-345,561.48-137,223.22

Finding the Fourth Proportional to 250,400.46, 345,561.48 and 137,223.22

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Solution

The fourth proportional to 250,400.46, 345,561.48 and 137,223.22 is: 189,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,400.46 : 345,561.48 = 137,223.22 : x
  2. Step 2: Convert to fraction form
    250,400.46/345,561.48 = 137,223.22/x
  3. Step 3: Cross multiply
    250,400.46x = 345,561.48 × 137,223.22
  4. Step 4: Simplify right side
    250,400.46x = 47,419,058,993.57
  5. Step 5: Solve for x
    x = 47,419,058,993.57/250,400.46
  6. Step 6: Final answer
    x = 189,372.89

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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.