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Finding the Fourth Proportional to 247,897.70, 371,586.63 and 121,363.46

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Solution

The fourth proportional to 247,897.70, 371,586.63 and 121,363.46 is: 181,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,897.70 : 371,586.63 = 121,363.46 : x
  2. Step 2: Convert to fraction form
    247,897.70/371,586.63 = 121,363.46/x
  3. Step 3: Cross multiply
    247,897.70x = 371,586.63 × 121,363.46
  4. Step 4: Simplify right side
    247,897.70x = 45,097,039,106.54
  5. Step 5: Solve for x
    x = 45,097,039,106.54/247,897.70
  6. Step 6: Final answer
    x = 181,917.94

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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.