Home / 305,434.78-457,968.09-136,924.60

Finding the Fourth Proportional to 305,434.78, 457,968.09 and 136,924.60

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Solution

The fourth proportional to 305,434.78, 457,968.09 and 136,924.60 is: 205,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,434.78 : 457,968.09 = 136,924.60 : x
  2. Step 2: Convert to fraction form
    305,434.78/457,968.09 = 136,924.60/x
  3. Step 3: Cross multiply
    305,434.78x = 457,968.09 × 136,924.60
  4. Step 4: Simplify right side
    305,434.78x = 62,707,097,536.01
  5. Step 5: Solve for x
    x = 62,707,097,536.01/305,434.78
  6. Step 6: Final answer
    x = 205,304.38

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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.