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Finding the Fourth Proportional to 244,647.20, 366,970.80 and 164,931.05

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Solution

The fourth proportional to 244,647.20, 366,970.80 and 164,931.05 is: 247,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,647.20 : 366,970.80 = 164,931.05 : x
  2. Step 2: Convert to fraction form
    244,647.20/366,970.80 = 164,931.05/x
  3. Step 3: Cross multiply
    244,647.20x = 366,970.80 × 164,931.05
  4. Step 4: Simplify right side
    244,647.20x = 60,524,879,363.34
  5. Step 5: Solve for x
    x = 60,524,879,363.34/244,647.20
  6. Step 6: Final answer
    x = 247,396.58

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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.