Home / 830,238.14-1,245,390.02-231,251.65

Finding the Fourth Proportional to 830,238.14, 1,245,390.02 and 231,251.65

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Solution

The fourth proportional to 830,238.14, 1,245,390.02 and 231,251.65 is: 346,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,238.14 : 1,245,390.02 = 231,251.65 : x
  2. Step 2: Convert to fraction form
    830,238.14/1,245,390.02 = 231,251.65/x
  3. Step 3: Cross multiply
    830,238.14x = 1,245,390.02 × 231,251.65
  4. Step 4: Simplify right side
    830,238.14x = 287,998,497,018.53
  5. Step 5: Solve for x
    x = 287,998,497,018.53/830,238.14
  6. Step 6: Final answer
    x = 346,886.61

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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.