Home / 578,342.69-867,554.58-178,930.88

Finding the Fourth Proportional to 578,342.69, 867,554.58 and 178,930.88

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Solution

The fourth proportional to 578,342.69, 867,554.58 and 178,930.88 is: 268,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,342.69 : 867,554.58 = 178,930.88 : x
  2. Step 2: Convert to fraction form
    578,342.69/867,554.58 = 178,930.88/x
  3. Step 3: Cross multiply
    578,342.69x = 867,554.58 × 178,930.88
  4. Step 4: Simplify right side
    578,342.69x = 155,232,304,447.43
  5. Step 5: Solve for x
    x = 155,232,304,447.43/578,342.69
  6. Step 6: Final answer
    x = 268,408.86

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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.