Home / 361,429.02-498,774.99-200,286.78

Finding the Fourth Proportional to 361,429.02, 498,774.99 and 200,286.78

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Solution

The fourth proportional to 361,429.02, 498,774.99 and 200,286.78 is: 276,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,429.02 : 498,774.99 = 200,286.78 : x
  2. Step 2: Convert to fraction form
    361,429.02/498,774.99 = 200,286.78/x
  3. Step 3: Cross multiply
    361,429.02x = 498,774.99 × 200,286.78
  4. Step 4: Simplify right side
    361,429.02x = 99,898,036,691.63
  5. Step 5: Solve for x
    x = 99,898,036,691.63/361,429.02
  6. Step 6: Final answer
    x = 276,397.39

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1.5x scale

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.