Home / 249,971.28-374,996-81,452.48

Finding the Fourth Proportional to 249,971.28, 374,996 and 81,452.48

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Solution

The fourth proportional to 249,971.28, 374,996 and 81,452.48 is: 122,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,971.28 : 374,996 = 81,452.48 : x
  2. Step 2: Convert to fraction form
    249,971.28/374,996 = 81,452.48/x
  3. Step 3: Cross multiply
    249,971.28x = 374,996 × 81,452.48
  4. Step 4: Simplify right side
    249,971.28x = 30,544,354,190.08
  5. Step 5: Solve for x
    x = 30,544,354,190.08/249,971.28
  6. Step 6: Final answer
    x = 122,191.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.