Home / 384,897.27-531,136.82-212,805.29

Finding the Fourth Proportional to 384,897.27, 531,136.82 and 212,805.29

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Solution

The fourth proportional to 384,897.27, 531,136.82 and 212,805.29 is: 293,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,897.27 : 531,136.82 = 212,805.29 : x
  2. Step 2: Convert to fraction form
    384,897.27/531,136.82 = 212,805.29/x
  3. Step 3: Cross multiply
    384,897.27x = 531,136.82 × 212,805.29
  4. Step 4: Simplify right side
    384,897.27x = 113,028,721,290.07
  5. Step 5: Solve for x
    x = 113,028,721,290.07/384,897.27
  6. Step 6: Final answer
    x = 293,659.45

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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.