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Finding the Fourth Proportional to 254,599.36, 382,007.04 and 136,240

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Solution

The fourth proportional to 254,599.36, 382,007.04 and 136,240 is: 204,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,599.36 : 382,007.04 = 136,240 : x
  2. Step 2: Convert to fraction form
    254,599.36/382,007.04 = 136,240/x
  3. Step 3: Cross multiply
    254,599.36x = 382,007.04 × 136,240
  4. Step 4: Simplify right side
    254,599.36x = 52,044,639,129.60
  5. Step 5: Solve for x
    x = 52,044,639,129.60/254,599.36
  6. Step 6: Final answer
    x = 204,417.79

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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.