Home / 239,344.40-330,191.43-142,494.05

Finding the Fourth Proportional to 239,344.40, 330,191.43 and 142,494.05

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Solution

The fourth proportional to 239,344.40, 330,191.43 and 142,494.05 is: 196,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,344.40 : 330,191.43 = 142,494.05 : x
  2. Step 2: Convert to fraction form
    239,344.40/330,191.43 = 142,494.05/x
  3. Step 3: Cross multiply
    239,344.40x = 330,191.43 × 142,494.05
  4. Step 4: Simplify right side
    239,344.40x = 47,050,314,135.99
  5. Step 5: Solve for x
    x = 47,050,314,135.99/239,344.40
  6. Step 6: Final answer
    x = 196,579.97

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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.