Home / 238,739.70-329,350.34-143,080.32

Finding the Fourth Proportional to 238,739.70, 329,350.34 and 143,080.32

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Solution

The fourth proportional to 238,739.70, 329,350.34 and 143,080.32 is: 197,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.70 : 329,350.34 = 143,080.32 : x
  2. Step 2: Convert to fraction form
    238,739.70/329,350.34 = 143,080.32/x
  3. Step 3: Cross multiply
    238,739.70x = 329,350.34 × 143,080.32
  4. Step 4: Simplify right side
    238,739.70x = 47,123,551,323.91
  5. Step 5: Solve for x
    x = 47,123,551,323.91/238,739.70
  6. Step 6: Final answer
    x = 197,384.65

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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.