Home / 328,237.41-492,356.07-103,755.43

Finding the Fourth Proportional to 328,237.41, 492,356.07 and 103,755.43

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Solution

The fourth proportional to 328,237.41, 492,356.07 and 103,755.43 is: 155,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,237.41 : 492,356.07 = 103,755.43 : x
  2. Step 2: Convert to fraction form
    328,237.41/492,356.07 = 103,755.43/x
  3. Step 3: Cross multiply
    328,237.41x = 492,356.07 × 103,755.43
  4. Step 4: Simplify right side
    328,237.41x = 51,084,616,371.41
  5. Step 5: Solve for x
    x = 51,084,616,371.41/328,237.41
  6. Step 6: Final answer
    x = 155,633.13

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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.