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Finding the Fourth Proportional to 361,457.64, 498,788.88 and 200,303.28

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Solution

The fourth proportional to 361,457.64, 498,788.88 and 200,303.28 is: 276,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,457.64 : 498,788.88 = 200,303.28 : x
  2. Step 2: Convert to fraction form
    361,457.64/498,788.88 = 200,303.28/x
  3. Step 3: Cross multiply
    361,457.64x = 498,788.88 × 200,303.28
  4. Step 4: Simplify right side
    361,457.64x = 99,909,048,691.53
  5. Step 5: Solve for x
    x = 99,909,048,691.53/361,457.64
  6. Step 6: Final answer
    x = 276,405.97

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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.