Home / 440,182.75-607,452.20-238,978.75

Finding the Fourth Proportional to 440,182.75, 607,452.20 and 238,978.75

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Solution

The fourth proportional to 440,182.75, 607,452.20 and 238,978.75 is: 329,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,182.75 : 607,452.20 = 238,978.75 : x
  2. Step 2: Convert to fraction form
    440,182.75/607,452.20 = 238,978.75/x
  3. Step 3: Cross multiply
    440,182.75x = 607,452.20 × 238,978.75
  4. Step 4: Simplify right side
    440,182.75x = 145,168,167,440.75
  5. Step 5: Solve for x
    x = 145,168,167,440.75/440,182.75
  6. Step 6: Final answer
    x = 329,790.68

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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.