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Finding the Fourth Proportional to 269,949, 372,529.65 and 156,779.04

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Solution

The fourth proportional to 269,949, 372,529.65 and 156,779.04 is: 216,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,949 : 372,529.65 = 156,779.04 : x
  2. Step 2: Convert to fraction form
    269,949/372,529.65 = 156,779.04/x
  3. Step 3: Cross multiply
    269,949x = 372,529.65 × 156,779.04
  4. Step 4: Simplify right side
    269,949x = 58,404,840,898.54
  5. Step 5: Solve for x
    x = 58,404,840,898.54/269,949
  6. Step 6: Final answer
    x = 216,355.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.