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Finding the Fourth Proportional to 250,573.08, 345,794.22 and 137,395.56

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Solution

The fourth proportional to 250,573.08, 345,794.22 and 137,395.56 is: 189,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,573.08 : 345,794.22 = 137,395.56 : x
  2. Step 2: Convert to fraction form
    250,573.08/345,794.22 = 137,395.56/x
  3. Step 3: Cross multiply
    250,573.08x = 345,794.22 × 137,395.56
  4. Step 4: Simplify right side
    250,573.08x = 47,510,590,501.66
  5. Step 5: Solve for x
    x = 47,510,590,501.66/250,573.08
  6. Step 6: Final answer
    x = 189,607.72

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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.