Home / 238,739.46-329,349.69-143,080.08

Finding the Fourth Proportional to 238,739.46, 329,349.69 and 143,080.08

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Solution

The fourth proportional to 238,739.46, 329,349.69 and 143,080.08 is: 197,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.46 : 329,349.69 = 143,080.08 : x
  2. Step 2: Convert to fraction form
    238,739.46/329,349.69 = 143,080.08/x
  3. Step 3: Cross multiply
    238,739.46x = 329,349.69 × 143,080.08
  4. Step 4: Simplify right side
    238,739.46x = 47,123,379,993.18
  5. Step 5: Solve for x
    x = 47,123,379,993.18/238,739.46
  6. Step 6: Final answer
    x = 197,384.13

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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.