Home / 247,405.56-341,419.68-139,973.28

Finding the Fourth Proportional to 247,405.56, 341,419.68 and 139,973.28

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Solution

The fourth proportional to 247,405.56, 341,419.68 and 139,973.28 is: 193,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,405.56 : 341,419.68 = 139,973.28 : x
  2. Step 2: Convert to fraction form
    247,405.56/341,419.68 = 139,973.28/x
  3. Step 3: Cross multiply
    247,405.56x = 341,419.68 × 139,973.28
  4. Step 4: Simplify right side
    247,405.56x = 47,789,632,466.15
  5. Step 5: Solve for x
    x = 47,789,632,466.15/247,405.56
  6. Step 6: Final answer
    x = 193,163.13

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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.