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Finding the Fourth Proportional to 247,360.20, 371,040.30 and 154,048.20

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Solution

The fourth proportional to 247,360.20, 371,040.30 and 154,048.20 is: 231,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,360.20 : 371,040.30 = 154,048.20 : x
  2. Step 2: Convert to fraction form
    247,360.20/371,040.30 = 154,048.20/x
  3. Step 3: Cross multiply
    247,360.20x = 371,040.30 × 154,048.20
  4. Step 4: Simplify right side
    247,360.20x = 57,158,090,342.46
  5. Step 5: Solve for x
    x = 57,158,090,342.46/247,360.20
  6. Step 6: Final answer
    x = 231,072.30

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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.