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Finding the Fourth Proportional to 254,015.60, 380,634.60 and 240,018.80

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Solution

The fourth proportional to 254,015.60, 380,634.60 and 240,018.80 is: 359,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,015.60 : 380,634.60 = 240,018.80 : x
  2. Step 2: Convert to fraction form
    254,015.60/380,634.60 = 240,018.80/x
  3. Step 3: Cross multiply
    254,015.60x = 380,634.60 × 240,018.80
  4. Step 4: Simplify right side
    254,015.60x = 91,359,459,930.48
  5. Step 5: Solve for x
    x = 91,359,459,930.48/254,015.60
  6. Step 6: Final answer
    x = 359,660.82

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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.