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Finding the Fourth Proportional to 351,682.80, 526,681.30 and 180,453.92

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Solution

The fourth proportional to 351,682.80, 526,681.30 and 180,453.92 is: 270,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,682.80 : 526,681.30 = 180,453.92 : x
  2. Step 2: Convert to fraction form
    351,682.80/526,681.30 = 180,453.92/x
  3. Step 3: Cross multiply
    351,682.80x = 526,681.30 × 180,453.92
  4. Step 4: Simplify right side
    351,682.80x = 95,041,704,164.56
  5. Step 5: Solve for x
    x = 95,041,704,164.56/351,682.80
  6. Step 6: Final answer
    x = 270,248.37

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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.