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Finding the Fourth Proportional to 247,418.58, 371,128.23 and 89,610.06

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Solution

The fourth proportional to 247,418.58, 371,128.23 and 89,610.06 is: 134,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,418.58 : 371,128.23 = 89,610.06 : x
  2. Step 2: Convert to fraction form
    247,418.58/371,128.23 = 89,610.06/x
  3. Step 3: Cross multiply
    247,418.58x = 371,128.23 × 89,610.06
  4. Step 4: Simplify right side
    247,418.58x = 33,256,822,957.99
  5. Step 5: Solve for x
    x = 33,256,822,957.99/247,418.58
  6. Step 6: Final answer
    x = 134,415.22

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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.