Home / 361,482.12-498,845.28-200,361.36

Finding the Fourth Proportional to 361,482.12, 498,845.28 and 200,361.36

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Solution

The fourth proportional to 361,482.12, 498,845.28 and 200,361.36 is: 276,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,482.12 : 498,845.28 = 200,361.36 : x
  2. Step 2: Convert to fraction form
    361,482.12/498,845.28 = 200,361.36/x
  3. Step 3: Cross multiply
    361,482.12x = 498,845.28 × 200,361.36
  4. Step 4: Simplify right side
    361,482.12x = 99,949,318,730.38
  5. Step 5: Solve for x
    x = 99,949,318,730.38/361,482.12
  6. Step 6: Final answer
    x = 276,498.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.