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Finding the Fourth Proportional to 239,270.02, 330,180.71 and 131,822.71

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Solution

The fourth proportional to 239,270.02, 330,180.71 and 131,822.71 is: 181,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,270.02 : 330,180.71 = 131,822.71 : x
  2. Step 2: Convert to fraction form
    239,270.02/330,180.71 = 131,822.71/x
  3. Step 3: Cross multiply
    239,270.02x = 330,180.71 × 131,822.71
  4. Step 4: Simplify right side
    239,270.02x = 43,525,314,497.36
  5. Step 5: Solve for x
    x = 43,525,314,497.36/239,270.02
  6. Step 6: Final answer
    x = 181,908.77

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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.