Home / 404,395.10-558,075.92-223,109.40

Finding the Fourth Proportional to 404,395.10, 558,075.92 and 223,109.40

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Solution

The fourth proportional to 404,395.10, 558,075.92 and 223,109.40 is: 307,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,395.10 : 558,075.92 = 223,109.40 : x
  2. Step 2: Convert to fraction form
    404,395.10/558,075.92 = 223,109.40/x
  3. Step 3: Cross multiply
    404,395.10x = 558,075.92 × 223,109.40
  4. Step 4: Simplify right side
    404,395.10x = 124,511,983,665.65
  5. Step 5: Solve for x
    x = 124,511,983,665.65/404,395.10
  6. Step 6: Final answer
    x = 307,896.87

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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.