Home / 239,490.09-330,482.75-148,843.73

Finding the Fourth Proportional to 239,490.09, 330,482.75 and 148,843.73

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Solution

The fourth proportional to 239,490.09, 330,482.75 and 148,843.73 is: 205,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,490.09 : 330,482.75 = 148,843.73 : x
  2. Step 2: Convert to fraction form
    239,490.09/330,482.75 = 148,843.73/x
  3. Step 3: Cross multiply
    239,490.09x = 330,482.75 × 148,843.73
  4. Step 4: Simplify right side
    239,490.09x = 49,190,282,814.03
  5. Step 5: Solve for x
    x = 49,190,282,814.03/239,490.09
  6. Step 6: Final answer
    x = 205,395.90

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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.