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Finding the Fourth Proportional to 247,179.47, 370,769.06 and 89,371.02

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Solution

The fourth proportional to 247,179.47, 370,769.06 and 89,371.02 is: 134,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,179.47 : 370,769.06 = 89,371.02 : x
  2. Step 2: Convert to fraction form
    247,179.47/370,769.06 = 89,371.02/x
  3. Step 3: Cross multiply
    247,179.47x = 370,769.06 × 89,371.02
  4. Step 4: Simplify right side
    247,179.47x = 33,136,009,076.64
  5. Step 5: Solve for x
    x = 33,136,009,076.64/247,179.47
  6. Step 6: Final answer
    x = 134,056.48

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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.