Home / 253,328.53-379,933.09-93,317.57

Finding the Fourth Proportional to 253,328.53, 379,933.09 and 93,317.57

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Solution

The fourth proportional to 253,328.53, 379,933.09 and 93,317.57 is: 139,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,328.53 : 379,933.09 = 93,317.57 : x
  2. Step 2: Convert to fraction form
    253,328.53/379,933.09 = 93,317.57/x
  3. Step 3: Cross multiply
    253,328.53x = 379,933.09 × 93,317.57
  4. Step 4: Simplify right side
    253,328.53x = 35,454,432,721.39
  5. Step 5: Solve for x
    x = 35,454,432,721.39/253,328.53
  6. Step 6: Final answer
    x = 139,954.36

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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.