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Finding the Fourth Proportional to 145,610.86, 218,468.84 and 50,855

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Solution

The fourth proportional to 145,610.86, 218,468.84 and 50,855 is: 76,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.86 : 218,468.84 = 50,855 : x
  2. Step 2: Convert to fraction form
    145,610.86/218,468.84 = 50,855/x
  3. Step 3: Cross multiply
    145,610.86x = 218,468.84 × 50,855
  4. Step 4: Simplify right side
    145,610.86x = 11,110,232,858.20
  5. Step 5: Solve for x
    x = 11,110,232,858.20/145,610.86
  6. Step 6: Final answer
    x = 76,300.85

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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.