Home / 239,621.52-330,786.31-152,442.46

Finding the Fourth Proportional to 239,621.52, 330,786.31 and 152,442.46

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Solution

The fourth proportional to 239,621.52, 330,786.31 and 152,442.46 is: 210,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,621.52 : 330,786.31 = 152,442.46 : x
  2. Step 2: Convert to fraction form
    239,621.52/330,786.31 = 152,442.46/x
  3. Step 3: Cross multiply
    239,621.52x = 330,786.31 × 152,442.46
  4. Step 4: Simplify right side
    239,621.52x = 50,425,878,830.72
  5. Step 5: Solve for x
    x = 50,425,878,830.72/239,621.52
  6. Step 6: Final answer
    x = 210,439.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.