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Finding the Fourth Proportional to 300,208.32, 450,827.64 and 266,550.39

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Solution

The fourth proportional to 300,208.32, 450,827.64 and 266,550.39 is: 400,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,208.32 : 450,827.64 = 266,550.39 : x
  2. Step 2: Convert to fraction form
    300,208.32/450,827.64 = 266,550.39/x
  3. Step 3: Cross multiply
    300,208.32x = 450,827.64 × 266,550.39
  4. Step 4: Simplify right side
    300,208.32x = 120,168,283,264.78
  5. Step 5: Solve for x
    x = 120,168,283,264.78/300,208.32
  6. Step 6: Final answer
    x = 400,282.99

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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.