Home / 250,447.40-345,616.64-135,729.34

Finding the Fourth Proportional to 250,447.40, 345,616.64 and 135,729.34

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Solution

The fourth proportional to 250,447.40, 345,616.64 and 135,729.34 is: 187,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447.40 : 345,616.64 = 135,729.34 : x
  2. Step 2: Convert to fraction form
    250,447.40/345,616.64 = 135,729.34/x
  3. Step 3: Cross multiply
    250,447.40x = 345,616.64 × 135,729.34
  4. Step 4: Simplify right side
    250,447.40x = 46,910,318,440.22
  5. Step 5: Solve for x
    x = 46,910,318,440.22/250,447.40
  6. Step 6: Final answer
    x = 187,306.07

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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.