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Finding the Fourth Proportional to 250,501.37, 345,690.62 and 135,779.55

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Solution

The fourth proportional to 250,501.37, 345,690.62 and 135,779.55 is: 187,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,501.37 : 345,690.62 = 135,779.55 : x
  2. Step 2: Convert to fraction form
    250,501.37/345,690.62 = 135,779.55/x
  3. Step 3: Cross multiply
    250,501.37x = 345,690.62 × 135,779.55
  4. Step 4: Simplify right side
    250,501.37x = 46,937,716,822.82
  5. Step 5: Solve for x
    x = 46,937,716,822.82/250,501.37
  6. Step 6: Final answer
    x = 187,375.09

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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.