Home / 239,666.06-330,859.01-149,051.21

Finding the Fourth Proportional to 239,666.06, 330,859.01 and 149,051.21

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Solution

The fourth proportional to 239,666.06, 330,859.01 and 149,051.21 is: 205,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,666.06 : 330,859.01 = 149,051.21 : x
  2. Step 2: Convert to fraction form
    239,666.06/330,859.01 = 149,051.21/x
  3. Step 3: Cross multiply
    239,666.06x = 330,859.01 × 149,051.21
  4. Step 4: Simplify right side
    239,666.06x = 49,314,935,034.65
  5. Step 5: Solve for x
    x = 49,314,935,034.65/239,666.06
  6. Step 6: Final answer
    x = 205,765.21

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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.