Home / 321,937.04-444,252.84-178,688.72

Finding the Fourth Proportional to 321,937.04, 444,252.84 and 178,688.72

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Solution

The fourth proportional to 321,937.04, 444,252.84 and 178,688.72 is: 246,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,937.04 : 444,252.84 = 178,688.72 : x
  2. Step 2: Convert to fraction form
    321,937.04/444,252.84 = 178,688.72/x
  3. Step 3: Cross multiply
    321,937.04x = 444,252.84 × 178,688.72
  4. Step 4: Simplify right side
    321,937.04x = 79,382,971,335.96
  5. Step 5: Solve for x
    x = 79,382,971,335.96/321,937.04
  6. Step 6: Final answer
    x = 246,579.18

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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.