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Finding the Fourth Proportional to 251,525.71, 377,288.84 and 64,537.21

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Solution

The fourth proportional to 251,525.71, 377,288.84 and 64,537.21 is: 96,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,525.71 : 377,288.84 = 64,537.21 : x
  2. Step 2: Convert to fraction form
    251,525.71/377,288.84 = 64,537.21/x
  3. Step 3: Cross multiply
    251,525.71x = 377,288.84 × 64,537.21
  4. Step 4: Simplify right side
    251,525.71x = 24,349,168,775.05
  5. Step 5: Solve for x
    x = 24,349,168,775.05/251,525.71
  6. Step 6: Final answer
    x = 96,805.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.