Home / 671,345.12-1,007,037.78-165,905.96

Finding the Fourth Proportional to 671,345.12, 1,007,037.78 and 165,905.96

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Solution

The fourth proportional to 671,345.12, 1,007,037.78 and 165,905.96 is: 248,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,345.12 : 1,007,037.78 = 165,905.96 : x
  2. Step 2: Convert to fraction form
    671,345.12/1,007,037.78 = 165,905.96/x
  3. Step 3: Cross multiply
    671,345.12x = 1,007,037.78 × 165,905.96
  4. Step 4: Simplify right side
    671,345.12x = 167,073,569,647.17
  5. Step 5: Solve for x
    x = 167,073,569,647.17/671,345.12
  6. Step 6: Final answer
    x = 248,863.91

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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.