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Finding the Fourth Proportional to 247,407, 371,146.94 and 89,598.54

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Solution

The fourth proportional to 247,407, 371,146.94 and 89,598.54 is: 134,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,407 : 371,146.94 = 89,598.54 : x
  2. Step 2: Convert to fraction form
    247,407/371,146.94 = 89,598.54/x
  3. Step 3: Cross multiply
    247,407x = 371,146.94 × 89,598.54
  4. Step 4: Simplify right side
    247,407x = 33,254,223,949.47
  5. Step 5: Solve for x
    x = 33,254,223,949.47/247,407
  6. Step 6: Final answer
    x = 134,411.01

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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.