Home / 321,931.40-444,270.18-178,700.60

Finding the Fourth Proportional to 321,931.40, 444,270.18 and 178,700.60

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Solution

The fourth proportional to 321,931.40, 444,270.18 and 178,700.60 is: 246,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,931.40 : 444,270.18 = 178,700.60 : x
  2. Step 2: Convert to fraction form
    321,931.40/444,270.18 = 178,700.60/x
  3. Step 3: Cross multiply
    321,931.40x = 444,270.18 × 178,700.60
  4. Step 4: Simplify right side
    321,931.40x = 79,391,347,728.11
  5. Step 5: Solve for x
    x = 79,391,347,728.11/321,931.40
  6. Step 6: Final answer
    x = 246,609.52

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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.