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Finding the Fourth Proportional to 239,265.44, 358,602.60 and 120,970.52

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Solution

The fourth proportional to 239,265.44, 358,602.60 and 120,970.52 is: 181,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,265.44 : 358,602.60 = 120,970.52 : x
  2. Step 2: Convert to fraction form
    239,265.44/358,602.60 = 120,970.52/x
  3. Step 3: Cross multiply
    239,265.44x = 358,602.60 × 120,970.52
  4. Step 4: Simplify right side
    239,265.44x = 43,380,342,995.35
  5. Step 5: Solve for x
    x = 43,380,342,995.35/239,265.44
  6. Step 6: Final answer
    x = 181,306.35

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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.