Home / 361,895.89-499,376.02-200,710.55

Finding the Fourth Proportional to 361,895.89, 499,376.02 and 200,710.55

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Solution

The fourth proportional to 361,895.89, 499,376.02 and 200,710.55 is: 276,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,895.89 : 499,376.02 = 200,710.55 : x
  2. Step 2: Convert to fraction form
    361,895.89/499,376.02 = 200,710.55/x
  3. Step 3: Cross multiply
    361,895.89x = 499,376.02 × 200,710.55
  4. Step 4: Simplify right side
    361,895.89x = 100,230,035,631.01
  5. Step 5: Solve for x
    x = 100,230,035,631.01/361,895.89
  6. Step 6: Final answer
    x = 276,958.20

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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.