Home / 321,803.28-444,088.47-178,586.34

Finding the Fourth Proportional to 321,803.28, 444,088.47 and 178,586.34

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Solution

The fourth proportional to 321,803.28, 444,088.47 and 178,586.34 is: 246,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,803.28 : 444,088.47 = 178,586.34 : x
  2. Step 2: Convert to fraction form
    321,803.28/444,088.47 = 178,586.34/x
  3. Step 3: Cross multiply
    321,803.28x = 444,088.47 × 178,586.34
  4. Step 4: Simplify right side
    321,803.28x = 79,308,134,493.50
  5. Step 5: Solve for x
    x = 79,308,134,493.50/321,803.28
  6. Step 6: Final answer
    x = 246,449.12

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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.