Home / 671,345.20-1,007,007.93-165,906.16

Finding the Fourth Proportional to 671,345.20, 1,007,007.93 and 165,906.16

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Solution

The fourth proportional to 671,345.20, 1,007,007.93 and 165,906.16 is: 248,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,345.20 : 1,007,007.93 = 165,906.16 : x
  2. Step 2: Convert to fraction form
    671,345.20/1,007,007.93 = 165,906.16/x
  3. Step 3: Cross multiply
    671,345.20x = 1,007,007.93 × 165,906.16
  4. Step 4: Simplify right side
    671,345.20x = 167,068,818,755.85
  5. Step 5: Solve for x
    x = 167,068,818,755.85/671,345.20
  6. Step 6: Final answer
    x = 248,856.80

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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.