Home / 568,904.19-853,389.05-213,921.29

Finding the Fourth Proportional to 568,904.19, 853,389.05 and 213,921.29

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Solution

The fourth proportional to 568,904.19, 853,389.05 and 213,921.29 is: 320,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,904.19 : 853,389.05 = 213,921.29 : x
  2. Step 2: Convert to fraction form
    568,904.19/853,389.05 = 213,921.29/x
  3. Step 3: Cross multiply
    568,904.19x = 853,389.05 × 213,921.29
  4. Step 4: Simplify right side
    568,904.19x = 182,558,081,111.32
  5. Step 5: Solve for x
    x = 182,558,081,111.32/568,904.19
  6. Step 6: Final answer
    x = 320,894.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.