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Finding the Fourth Proportional to 361,875.01, 499,377.87 and 208,908.03

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Solution

The fourth proportional to 361,875.01, 499,377.87 and 208,908.03 is: 288,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,875.01 : 499,377.87 = 208,908.03 : x
  2. Step 2: Convert to fraction form
    361,875.01/499,377.87 = 208,908.03/x
  3. Step 3: Cross multiply
    361,875.01x = 499,377.87 × 208,908.03
  4. Step 4: Simplify right side
    361,875.01x = 104,324,047,047.30
  5. Step 5: Solve for x
    x = 104,324,047,047.30/361,875.01
  6. Step 6: Final answer
    x = 288,287.51

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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.