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Finding the Fourth Proportional to 404,363.13, 558,021.11 and 225,515.13

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Solution

The fourth proportional to 404,363.13, 558,021.11 and 225,515.13 is: 311,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,363.13 : 558,021.11 = 225,515.13 : x
  2. Step 2: Convert to fraction form
    404,363.13/558,021.11 = 225,515.13/x
  3. Step 3: Cross multiply
    404,363.13x = 558,021.11 × 225,515.13
  4. Step 4: Simplify right side
    404,363.13x = 125,842,203,164.39
  5. Step 5: Solve for x
    x = 125,842,203,164.39/404,363.13
  6. Step 6: Final answer
    x = 311,210.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.