Home / 239,228.47-330,066.78-142,351.35

Finding the Fourth Proportional to 239,228.47, 330,066.78 and 142,351.35

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Solution

The fourth proportional to 239,228.47, 330,066.78 and 142,351.35 is: 196,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,228.47 : 330,066.78 = 142,351.35 : x
  2. Step 2: Convert to fraction form
    239,228.47/330,066.78 = 142,351.35/x
  3. Step 3: Cross multiply
    239,228.47x = 330,066.78 × 142,351.35
  4. Step 4: Simplify right side
    239,228.47x = 46,985,451,723.15
  5. Step 5: Solve for x
    x = 46,985,451,723.15/239,228.47
  6. Step 6: Final answer
    x = 196,404.10

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1.5x scale

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.