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Finding the Fourth Proportional to 250,723.14, 375,887.80 and 171,597.48

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Solution

The fourth proportional to 250,723.14, 375,887.80 and 171,597.48 is: 257,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,723.14 : 375,887.80 = 171,597.48 : x
  2. Step 2: Convert to fraction form
    250,723.14/375,887.80 = 171,597.48/x
  3. Step 3: Cross multiply
    250,723.14x = 375,887.80 × 171,597.48
  4. Step 4: Simplify right side
    250,723.14x = 64,501,399,242.74
  5. Step 5: Solve for x
    x = 64,501,399,242.74/250,723.14
  6. Step 6: Final answer
    x = 257,261.45

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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.