Home / 404,289.28-557,921.84-223,006.08

Finding the Fourth Proportional to 404,289.28, 557,921.84 and 223,006.08

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Solution

The fourth proportional to 404,289.28, 557,921.84 and 223,006.08 is: 307,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,289.28 : 557,921.84 = 223,006.08 : x
  2. Step 2: Convert to fraction form
    404,289.28/557,921.84 = 223,006.08/x
  3. Step 3: Cross multiply
    404,289.28x = 557,921.84 × 223,006.08
  4. Step 4: Simplify right side
    404,289.28x = 124,419,962,484.79
  5. Step 5: Solve for x
    x = 124,419,962,484.79/404,289.28
  6. Step 6: Final answer
    x = 307,749.84

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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.