Home / 321,870.06-482,836.95-111,506.58

Finding the Fourth Proportional to 321,870.06, 482,836.95 and 111,506.58

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Solution

The fourth proportional to 321,870.06, 482,836.95 and 111,506.58 is: 167,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,870.06 : 482,836.95 = 111,506.58 : x
  2. Step 2: Convert to fraction form
    321,870.06/482,836.95 = 111,506.58/x
  3. Step 3: Cross multiply
    321,870.06x = 482,836.95 × 111,506.58
  4. Step 4: Simplify right side
    321,870.06x = 53,839,496,992.13
  5. Step 5: Solve for x
    x = 53,839,496,992.13/321,870.06
  6. Step 6: Final answer
    x = 167,270.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.