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Finding the Fourth Proportional to 254,258.08, 381,510 and 104,608.80

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Solution

The fourth proportional to 254,258.08, 381,510 and 104,608.80 is: 156,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,258.08 : 381,510 = 104,608.80 : x
  2. Step 2: Convert to fraction form
    254,258.08/381,510 = 104,608.80/x
  3. Step 3: Cross multiply
    254,258.08x = 381,510 × 104,608.80
  4. Step 4: Simplify right side
    254,258.08x = 39,909,303,288
  5. Step 5: Solve for x
    x = 39,909,303,288/254,258.08
  6. Step 6: Final answer
    x = 156,963.76

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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.