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Finding the Fourth Proportional to 262,506.30, 394,051.05 and 162,779.10

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Solution

The fourth proportional to 262,506.30, 394,051.05 and 162,779.10 is: 244,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,506.30 : 394,051.05 = 162,779.10 : x
  2. Step 2: Convert to fraction form
    262,506.30/394,051.05 = 162,779.10/x
  3. Step 3: Cross multiply
    262,506.30x = 394,051.05 × 162,779.10
  4. Step 4: Simplify right side
    262,506.30x = 64,143,275,273.06
  5. Step 5: Solve for x
    x = 64,143,275,273.06/262,506.30
  6. Step 6: Final answer
    x = 244,349.47

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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.