Home / 440,074.78-607,305.20-249,125.11

Finding the Fourth Proportional to 440,074.78, 607,305.20 and 249,125.11

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Solution

The fourth proportional to 440,074.78, 607,305.20 and 249,125.11 is: 343,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,074.78 : 607,305.20 = 249,125.11 : x
  2. Step 2: Convert to fraction form
    440,074.78/607,305.20 = 249,125.11/x
  3. Step 3: Cross multiply
    440,074.78x = 607,305.20 × 249,125.11
  4. Step 4: Simplify right side
    440,074.78x = 151,294,971,989.68
  5. Step 5: Solve for x
    x = 151,294,971,989.68/440,074.78
  6. Step 6: Final answer
    x = 343,793.78

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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.