Home / 671,345.45-1,007,008.31-165,906.41

Finding the Fourth Proportional to 671,345.45, 1,007,008.31 and 165,906.41

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Solution

The fourth proportional to 671,345.45, 1,007,008.31 and 165,906.41 is: 248,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,345.45 : 1,007,008.31 = 165,906.41 : x
  2. Step 2: Convert to fraction form
    671,345.45/1,007,008.31 = 165,906.41/x
  3. Step 3: Cross multiply
    671,345.45x = 1,007,008.31 × 165,906.41
  4. Step 4: Simplify right side
    671,345.45x = 167,069,133,552.27
  5. Step 5: Solve for x
    x = 167,069,133,552.27/671,345.45
  6. Step 6: Final answer
    x = 248,857.18

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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.