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Finding the Fourth Proportional to 300,545.10, 450,539.01 and 110,900.88

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Solution

The fourth proportional to 300,545.10, 450,539.01 and 110,900.88 is: 166,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,545.10 : 450,539.01 = 110,900.88 : x
  2. Step 2: Convert to fraction form
    300,545.10/450,539.01 = 110,900.88/x
  3. Step 3: Cross multiply
    300,545.10x = 450,539.01 × 110,900.88
  4. Step 4: Simplify right side
    300,545.10x = 49,965,172,683.33
  5. Step 5: Solve for x
    x = 49,965,172,683.33/300,545.10
  6. Step 6: Final answer
    x = 166,248.50

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1.5x scale

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.