Home / 361,428.09-498,773.71-200,285.83

Finding the Fourth Proportional to 361,428.09, 498,773.71 and 200,285.83

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Solution

The fourth proportional to 361,428.09, 498,773.71 and 200,285.83 is: 276,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,428.09 : 498,773.71 = 200,285.83 : x
  2. Step 2: Convert to fraction form
    361,428.09/498,773.71 = 200,285.83/x
  3. Step 3: Cross multiply
    361,428.09x = 498,773.71 × 200,285.83
  4. Step 4: Simplify right side
    361,428.09x = 99,897,303,995.66
  5. Step 5: Solve for x
    x = 99,897,303,995.66/361,428.09
  6. Step 6: Final answer
    x = 276,396.07

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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.