Home / 339,929.28-509,894.88-103,273.92

Finding the Fourth Proportional to 339,929.28, 509,894.88 and 103,273.92

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Solution

The fourth proportional to 339,929.28, 509,894.88 and 103,273.92 is: 154,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,929.28 : 509,894.88 = 103,273.92 : x
  2. Step 2: Convert to fraction form
    339,929.28/509,894.88 = 103,273.92/x
  3. Step 3: Cross multiply
    339,929.28x = 509,894.88 × 103,273.92
  4. Step 4: Simplify right side
    339,929.28x = 52,658,843,045.53
  5. Step 5: Solve for x
    x = 52,658,843,045.53/339,929.28
  6. Step 6: Final answer
    x = 154,911.17

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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.