Home / 671,345.86-1,007,008.94-165,906.84

Finding the Fourth Proportional to 671,345.86, 1,007,008.94 and 165,906.84

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Solution

The fourth proportional to 671,345.86, 1,007,008.94 and 165,906.84 is: 248,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,345.86 : 1,007,008.94 = 165,906.84 : x
  2. Step 2: Convert to fraction form
    671,345.86/1,007,008.94 = 165,906.84/x
  3. Step 3: Cross multiply
    671,345.86x = 1,007,008.94 × 165,906.84
  4. Step 4: Simplify right side
    671,345.86x = 167,069,671,087.15
  5. Step 5: Solve for x
    x = 167,069,671,087.15/671,345.86
  6. Step 6: Final answer
    x = 248,857.83

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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.