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Finding the Fourth Proportional to 377,088.48, 520,371.26 and 213,760.08

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Solution

The fourth proportional to 377,088.48, 520,371.26 and 213,760.08 is: 294,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,088.48 : 520,371.26 = 213,760.08 : x
  2. Step 2: Convert to fraction form
    377,088.48/520,371.26 = 213,760.08/x
  3. Step 3: Cross multiply
    377,088.48x = 520,371.26 × 213,760.08
  4. Step 4: Simplify right side
    377,088.48x = 111,234,601,098.50
  5. Step 5: Solve for x
    x = 111,234,601,098.50/377,088.48
  6. Step 6: Final answer
    x = 294,982.76

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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.