Home / 250,438.56-345,608.28-137,261.04

Finding the Fourth Proportional to 250,438.56, 345,608.28 and 137,261.04

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Solution

The fourth proportional to 250,438.56, 345,608.28 and 137,261.04 is: 189,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,438.56 : 345,608.28 = 137,261.04 : x
  2. Step 2: Convert to fraction form
    250,438.56/345,608.28 = 137,261.04/x
  3. Step 3: Cross multiply
    250,438.56x = 345,608.28 × 137,261.04
  4. Step 4: Simplify right side
    250,438.56x = 47,438,551,945.41
  5. Step 5: Solve for x
    x = 47,438,551,945.41/250,438.56
  6. Step 6: Final answer
    x = 189,421.92

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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.