Home / 321,749.34-444,008.18-178,506.31

Finding the Fourth Proportional to 321,749.34, 444,008.18 and 178,506.31

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Solution

The fourth proportional to 321,749.34, 444,008.18 and 178,506.31 is: 246,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,749.34 : 444,008.18 = 178,506.31 : x
  2. Step 2: Convert to fraction form
    321,749.34/444,008.18 = 178,506.31/x
  3. Step 3: Cross multiply
    321,749.34x = 444,008.18 × 178,506.31
  4. Step 4: Simplify right side
    321,749.34x = 79,258,261,821.62
  5. Step 5: Solve for x
    x = 79,258,261,821.62/321,749.34
  6. Step 6: Final answer
    x = 246,335.43

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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.