Home / 427,898.58-590,497.98-231,665.18

Finding the Fourth Proportional to 427,898.58, 590,497.98 and 231,665.18

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Solution

The fourth proportional to 427,898.58, 590,497.98 and 231,665.18 is: 319,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,898.58 : 590,497.98 = 231,665.18 : x
  2. Step 2: Convert to fraction form
    427,898.58/590,497.98 = 231,665.18/x
  3. Step 3: Cross multiply
    427,898.58x = 590,497.98 × 231,665.18
  4. Step 4: Simplify right side
    427,898.58x = 136,797,817,873.85
  5. Step 5: Solve for x
    x = 136,797,817,873.85/427,898.58
  6. Step 6: Final answer
    x = 319,696.83

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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.