Home / 321,784.65-444,066.30-178,547.09

Finding the Fourth Proportional to 321,784.65, 444,066.30 and 178,547.09

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Solution

The fourth proportional to 321,784.65, 444,066.30 and 178,547.09 is: 246,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,784.65 : 444,066.30 = 178,547.09 : x
  2. Step 2: Convert to fraction form
    321,784.65/444,066.30 = 178,547.09/x
  3. Step 3: Cross multiply
    321,784.65x = 444,066.30 × 178,547.09
  4. Step 4: Simplify right side
    321,784.65x = 79,286,743,411.74
  5. Step 5: Solve for x
    x = 79,286,743,411.74/321,784.65
  6. Step 6: Final answer
    x = 246,396.91

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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.