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Finding the Fourth Proportional to 358,283.60, 536,919.95 and 279,046.16

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Solution

The fourth proportional to 358,283.60, 536,919.95 and 279,046.16 is: 418,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,283.60 : 536,919.95 = 279,046.16 : x
  2. Step 2: Convert to fraction form
    358,283.60/536,919.95 = 279,046.16/x
  3. Step 3: Cross multiply
    358,283.60x = 536,919.95 × 279,046.16
  4. Step 4: Simplify right side
    358,283.60x = 149,825,450,301.36
  5. Step 5: Solve for x
    x = 149,825,450,301.36/358,283.60
  6. Step 6: Final answer
    x = 418,175.58

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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.