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Finding the Fourth Proportional to 164,880.30, 247,320.45 and 40,221.30

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Solution

The fourth proportional to 164,880.30, 247,320.45 and 40,221.30 is: 60,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,880.30 : 247,320.45 = 40,221.30 : x
  2. Step 2: Convert to fraction form
    164,880.30/247,320.45 = 40,221.30/x
  3. Step 3: Cross multiply
    164,880.30x = 247,320.45 × 40,221.30
  4. Step 4: Simplify right side
    164,880.30x = 9,947,550,015.59
  5. Step 5: Solve for x
    x = 9,947,550,015.59/164,880.30
  6. Step 6: Final answer
    x = 60,331.95

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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.