Home / 345,921.84-518,839.82-93,222.10

Finding the Fourth Proportional to 345,921.84, 518,839.82 and 93,222.10

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Solution

The fourth proportional to 345,921.84, 518,839.82 and 93,222.10 is: 139,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,921.84 : 518,839.82 = 93,222.10 : x
  2. Step 2: Convert to fraction form
    345,921.84/518,839.82 = 93,222.10/x
  3. Step 3: Cross multiply
    345,921.84x = 518,839.82 × 93,222.10
  4. Step 4: Simplify right side
    345,921.84x = 48,367,337,584.02
  5. Step 5: Solve for x
    x = 48,367,337,584.02/345,921.84
  6. Step 6: Final answer
    x = 139,821.58

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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.