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Finding the Fourth Proportional to 300,203.82, 450,820.89 and 266,545.89

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Solution

The fourth proportional to 300,203.82, 450,820.89 and 266,545.89 is: 400,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,203.82 : 450,820.89 = 266,545.89 : x
  2. Step 2: Convert to fraction form
    300,203.82/450,820.89 = 266,545.89/x
  3. Step 3: Cross multiply
    300,203.82x = 450,820.89 × 266,545.89
  4. Step 4: Simplify right side
    300,203.82x = 120,164,455,355.64
  5. Step 5: Solve for x
    x = 120,164,455,355.64/300,203.82
  6. Step 6: Final answer
    x = 400,276.24

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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.