Home / 404,401.16-558,069.99-223,114.70

Finding the Fourth Proportional to 404,401.16, 558,069.99 and 223,114.70

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Solution

The fourth proportional to 404,401.16, 558,069.99 and 223,114.70 is: 307,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,401.16 : 558,069.99 = 223,114.70 : x
  2. Step 2: Convert to fraction form
    404,401.16/558,069.99 = 223,114.70/x
  3. Step 3: Cross multiply
    404,401.16x = 558,069.99 × 223,114.70
  4. Step 4: Simplify right side
    404,401.16x = 124,513,618,397.85
  5. Step 5: Solve for x
    x = 124,513,618,397.85/404,401.16
  6. Step 6: Final answer
    x = 307,896.29

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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.