Home / 239,665.09-330,857.67-149,050.24

Finding the Fourth Proportional to 239,665.09, 330,857.67 and 149,050.24

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Solution

The fourth proportional to 239,665.09, 330,857.67 and 149,050.24 is: 205,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,665.09 : 330,857.67 = 149,050.24 : x
  2. Step 2: Convert to fraction form
    239,665.09/330,857.67 = 149,050.24/x
  3. Step 3: Cross multiply
    239,665.09x = 330,857.67 × 149,050.24
  4. Step 4: Simplify right side
    239,665.09x = 49,314,415,119.34
  5. Step 5: Solve for x
    x = 49,314,415,119.34/239,665.09
  6. Step 6: Final answer
    x = 205,763.86

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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.