Home / 212,390.62-318,592.83-62,618.35

Finding the Fourth Proportional to 212,390.62, 318,592.83 and 62,618.35

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Solution

The fourth proportional to 212,390.62, 318,592.83 and 62,618.35 is: 93,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,390.62 : 318,592.83 = 62,618.35 : x
  2. Step 2: Convert to fraction form
    212,390.62/318,592.83 = 62,618.35/x
  3. Step 3: Cross multiply
    212,390.62x = 318,592.83 × 62,618.35
  4. Step 4: Simplify right side
    212,390.62x = 19,949,757,336.43
  5. Step 5: Solve for x
    x = 19,949,757,336.43/212,390.62
  6. Step 6: Final answer
    x = 93,929.56

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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.