Home / 404,664.83-558,439.40-223,373.46

Finding the Fourth Proportional to 404,664.83, 558,439.40 and 223,373.46

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Solution

The fourth proportional to 404,664.83, 558,439.40 and 223,373.46 is: 308,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,664.83 : 558,439.40 = 223,373.46 : x
  2. Step 2: Convert to fraction form
    404,664.83/558,439.40 = 223,373.46/x
  3. Step 3: Cross multiply
    404,664.83x = 558,439.40 × 223,373.46
  4. Step 4: Simplify right side
    404,664.83x = 124,740,540,978.32
  5. Step 5: Solve for x
    x = 124,740,540,978.32/404,664.83
  6. Step 6: Final answer
    x = 308,256.44

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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.