Home / 377,635.44-521,136.90-205,554.06

Finding the Fourth Proportional to 377,635.44, 521,136.90 and 205,554.06

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Solution

The fourth proportional to 377,635.44, 521,136.90 and 205,554.06 is: 283,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,635.44 : 521,136.90 = 205,554.06 : x
  2. Step 2: Convert to fraction form
    377,635.44/521,136.90 = 205,554.06/x
  3. Step 3: Cross multiply
    377,635.44x = 521,136.90 × 205,554.06
  4. Step 4: Simplify right side
    377,635.44x = 107,121,805,610.81
  5. Step 5: Solve for x
    x = 107,121,805,610.81/377,635.44
  6. Step 6: Final answer
    x = 283,664.60

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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.