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Finding the Fourth Proportional to 247,897.50, 342,999.27 and 216,132.54

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Solution

The fourth proportional to 247,897.50, 342,999.27 and 216,132.54 is: 299,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,897.50 : 342,999.27 = 216,132.54 : x
  2. Step 2: Convert to fraction form
    247,897.50/342,999.27 = 216,132.54/x
  3. Step 3: Cross multiply
    247,897.50x = 342,999.27 × 216,132.54
  4. Step 4: Simplify right side
    247,897.50x = 74,133,303,443.25
  5. Step 5: Solve for x
    x = 74,133,303,443.25/247,897.50
  6. Step 6: Final answer
    x = 299,048.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.