Home / 254,243.66-381,365.10-104,378.38

Finding the Fourth Proportional to 254,243.66, 381,365.10 and 104,378.38

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Solution

The fourth proportional to 254,243.66, 381,365.10 and 104,378.38 is: 156,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,243.66 : 381,365.10 = 104,378.38 : x
  2. Step 2: Convert to fraction form
    254,243.66/381,365.10 = 104,378.38/x
  3. Step 3: Cross multiply
    254,243.66x = 381,365.10 × 104,378.38
  4. Step 4: Simplify right side
    254,243.66x = 39,806,270,373.13
  5. Step 5: Solve for x
    x = 39,806,270,373.13/254,243.66
  6. Step 6: Final answer
    x = 156,567.41

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1.5x scale

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.