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Finding the Fourth Proportional to 250,606.21, 345,835.06 and 135,883.71

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Solution

The fourth proportional to 250,606.21, 345,835.06 and 135,883.71 is: 187,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,606.21 : 345,835.06 = 135,883.71 : x
  2. Step 2: Convert to fraction form
    250,606.21/345,835.06 = 135,883.71/x
  3. Step 3: Cross multiply
    250,606.21x = 345,835.06 × 135,883.71
  4. Step 4: Simplify right side
    250,606.21x = 46,993,351,000.87
  5. Step 5: Solve for x
    x = 46,993,351,000.87/250,606.21
  6. Step 6: Final answer
    x = 187,518.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.