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Finding the Fourth Proportional to 205,299.60, 307,949.40 and 150,003.60

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Solution

The fourth proportional to 205,299.60, 307,949.40 and 150,003.60 is: 225,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,299.60 : 307,949.40 = 150,003.60 : x
  2. Step 2: Convert to fraction form
    205,299.60/307,949.40 = 150,003.60/x
  3. Step 3: Cross multiply
    205,299.60x = 307,949.40 × 150,003.60
  4. Step 4: Simplify right side
    205,299.60x = 46,193,518,617.84
  5. Step 5: Solve for x
    x = 46,193,518,617.84/205,299.60
  6. Step 6: Final answer
    x = 225,005.40

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1.5x scale

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.