Home / 262,445.36-393,571.24-93,920

Finding the Fourth Proportional to 262,445.36, 393,571.24 and 93,920

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Solution

The fourth proportional to 262,445.36, 393,571.24 and 93,920 is: 140,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,445.36 : 393,571.24 = 93,920 : x
  2. Step 2: Convert to fraction form
    262,445.36/393,571.24 = 93,920/x
  3. Step 3: Cross multiply
    262,445.36x = 393,571.24 × 93,920
  4. Step 4: Simplify right side
    262,445.36x = 36,964,210,860.80
  5. Step 5: Solve for x
    x = 36,964,210,860.80/262,445.36
  6. Step 6: Final answer
    x = 140,845.36

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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.