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Finding the Fourth Proportional to 404,475.74, 558,175.85 and 223,187.52

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Solution

The fourth proportional to 404,475.74, 558,175.85 and 223,187.52 is: 307,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,475.74 : 558,175.85 = 223,187.52 : x
  2. Step 2: Convert to fraction form
    404,475.74/558,175.85 = 223,187.52/x
  3. Step 3: Cross multiply
    404,475.74x = 558,175.85 × 223,187.52
  4. Step 4: Simplify right side
    404,475.74x = 124,577,883,685.39
  5. Step 5: Solve for x
    x = 124,577,883,685.39/404,475.74
  6. Step 6: Final answer
    x = 307,998.41

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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.