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Finding the Fourth Proportional to 253,027.62, 379,353.94 and 153,164.21

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Solution

The fourth proportional to 253,027.62, 379,353.94 and 153,164.21 is: 229,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,027.62 : 379,353.94 = 153,164.21 : x
  2. Step 2: Convert to fraction form
    253,027.62/379,353.94 = 153,164.21/x
  3. Step 3: Cross multiply
    253,027.62x = 379,353.94 × 153,164.21
  4. Step 4: Simplify right side
    253,027.62x = 58,103,444,250.81
  5. Step 5: Solve for x
    x = 58,103,444,250.81/253,027.62
  6. Step 6: Final answer
    x = 229,632.81

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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.