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Finding the Fourth Proportional to 155,993.04, 234,009 and 50,783.76

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Solution

The fourth proportional to 155,993.04, 234,009 and 50,783.76 is: 76,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993.04 : 234,009 = 50,783.76 : x
  2. Step 2: Convert to fraction form
    155,993.04/234,009 = 50,783.76/x
  3. Step 3: Cross multiply
    155,993.04x = 234,009 × 50,783.76
  4. Step 4: Simplify right side
    155,993.04x = 11,883,856,893.84
  5. Step 5: Solve for x
    x = 11,883,856,893.84/155,993.04
  6. Step 6: Final answer
    x = 76,181.97

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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.