Home / 274,731.29-411,764.79-141,538.89

Finding the Fourth Proportional to 274,731.29, 411,764.79 and 141,538.89

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Solution

The fourth proportional to 274,731.29, 411,764.79 and 141,538.89 is: 212,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,731.29 : 411,764.79 = 141,538.89 : x
  2. Step 2: Convert to fraction form
    274,731.29/411,764.79 = 141,538.89/x
  3. Step 3: Cross multiply
    274,731.29x = 411,764.79 × 141,538.89
  4. Step 4: Simplify right side
    274,731.29x = 58,280,732,994.49
  5. Step 5: Solve for x
    x = 58,280,732,994.49/274,731.29
  6. Step 6: Final answer
    x = 212,137.22

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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.