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Finding the Fourth Proportional to 404,472.77, 558,171.77 and 223,184.55

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Solution

The fourth proportional to 404,472.77, 558,171.77 and 223,184.55 is: 307,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,472.77 : 558,171.77 = 223,184.55 : x
  2. Step 2: Convert to fraction form
    404,472.77/558,171.77 = 223,184.55/x
  3. Step 3: Cross multiply
    404,472.77x = 558,171.77 × 223,184.55
  4. Step 4: Simplify right side
    404,472.77x = 124,575,314,194.23
  5. Step 5: Solve for x
    x = 124,575,314,194.23/404,472.77
  6. Step 6: Final answer
    x = 307,994.32

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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.