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Finding the Fourth Proportional to 250,339.36, 345,462.96 and 137,159.68

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Solution

The fourth proportional to 250,339.36, 345,462.96 and 137,159.68 is: 189,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,339.36 : 345,462.96 = 137,159.68 : x
  2. Step 2: Convert to fraction form
    250,339.36/345,462.96 = 137,159.68/x
  3. Step 3: Cross multiply
    250,339.36x = 345,462.96 × 137,159.68
  4. Step 4: Simplify right side
    250,339.36x = 47,383,589,045.45
  5. Step 5: Solve for x
    x = 47,383,589,045.45/250,339.36
  6. Step 6: Final answer
    x = 189,277.42

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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.