Home / 361,389.06-498,717.81-200,242.80

Finding the Fourth Proportional to 361,389.06, 498,717.81 and 200,242.80

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Solution

The fourth proportional to 361,389.06, 498,717.81 and 200,242.80 is: 276,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,389.06 : 498,717.81 = 200,242.80 : x
  2. Step 2: Convert to fraction form
    361,389.06/498,717.81 = 200,242.80/x
  3. Step 3: Cross multiply
    361,389.06x = 498,717.81 × 200,242.80
  4. Step 4: Simplify right side
    361,389.06x = 99,864,650,684.27
  5. Step 5: Solve for x
    x = 99,864,650,684.27/361,389.06
  6. Step 6: Final answer
    x = 276,335.57

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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.