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Finding the Fourth Proportional to 361,632.30, 499,068.39 and 200,477.13

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Solution

The fourth proportional to 361,632.30, 499,068.39 and 200,477.13 is: 276,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,632.30 : 499,068.39 = 200,477.13 : x
  2. Step 2: Convert to fraction form
    361,632.30/499,068.39 = 200,477.13/x
  3. Step 3: Cross multiply
    361,632.30x = 499,068.39 × 200,477.13
  4. Step 4: Simplify right side
    361,632.30x = 100,051,796,253.52
  5. Step 5: Solve for x
    x = 100,051,796,253.52/361,632.30
  6. Step 6: Final answer
    x = 276,667.20

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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.