Home / 370,171.20-510,835.68-200,405.28

Finding the Fourth Proportional to 370,171.20, 510,835.68 and 200,405.28

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Solution

The fourth proportional to 370,171.20, 510,835.68 and 200,405.28 is: 276,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,171.20 : 510,835.68 = 200,405.28 : x
  2. Step 2: Convert to fraction form
    370,171.20/510,835.68 = 200,405.28/x
  3. Step 3: Cross multiply
    370,171.20x = 510,835.68 × 200,405.28
  4. Step 4: Simplify right side
    370,171.20x = 102,374,167,484.39
  5. Step 5: Solve for x
    x = 102,374,167,484.39/370,171.20
  6. Step 6: Final answer
    x = 276,558.97

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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.