Home / 704,639.55-1,056,950.11-172,165.20

Finding the Fourth Proportional to 704,639.55, 1,056,950.11 and 172,165.20

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Solution

The fourth proportional to 704,639.55, 1,056,950.11 and 172,165.20 is: 258,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,639.55 : 1,056,950.11 = 172,165.20 : x
  2. Step 2: Convert to fraction form
    704,639.55/1,056,950.11 = 172,165.20/x
  3. Step 3: Cross multiply
    704,639.55x = 1,056,950.11 × 172,165.20
  4. Step 4: Simplify right side
    704,639.55x = 181,970,027,078.17
  5. Step 5: Solve for x
    x = 181,970,027,078.17/704,639.55
  6. Step 6: Final answer
    x = 258,245.55

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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.