Home / 239,628.26-330,719.07-152,421.85

Finding the Fourth Proportional to 239,628.26, 330,719.07 and 152,421.85

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Solution

The fourth proportional to 239,628.26, 330,719.07 and 152,421.85 is: 210,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,628.26 : 330,719.07 = 152,421.85 : x
  2. Step 2: Convert to fraction form
    239,628.26/330,719.07 = 152,421.85/x
  3. Step 3: Cross multiply
    239,628.26x = 330,719.07 × 152,421.85
  4. Step 4: Simplify right side
    239,628.26x = 50,408,811,621.62
  5. Step 5: Solve for x
    x = 50,408,811,621.62/239,628.26
  6. Step 6: Final answer
    x = 210,362.55

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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.