Home / 339,787.27-509,682.54-103,132

Finding the Fourth Proportional to 339,787.27, 509,682.54 and 103,132

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Solution

The fourth proportional to 339,787.27, 509,682.54 and 103,132 is: 154,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,787.27 : 509,682.54 = 103,132 : x
  2. Step 2: Convert to fraction form
    339,787.27/509,682.54 = 103,132/x
  3. Step 3: Cross multiply
    339,787.27x = 509,682.54 × 103,132
  4. Step 4: Simplify right side
    339,787.27x = 52,564,579,715.28
  5. Step 5: Solve for x
    x = 52,564,579,715.28/339,787.27
  6. Step 6: Final answer
    x = 154,698.50

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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.