Home / 404,582.18-558,320.66-223,294.11

Finding the Fourth Proportional to 404,582.18, 558,320.66 and 223,294.11

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Solution

The fourth proportional to 404,582.18, 558,320.66 and 223,294.11 is: 308,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,582.18 : 558,320.66 = 223,294.11 : x
  2. Step 2: Convert to fraction form
    404,582.18/558,320.66 = 223,294.11/x
  3. Step 3: Cross multiply
    404,582.18x = 558,320.66 × 223,294.11
  4. Step 4: Simplify right side
    404,582.18x = 124,669,711,519.47
  5. Step 5: Solve for x
    x = 124,669,711,519.47/404,582.18
  6. Step 6: Final answer
    x = 308,144.35

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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.