Home / 291,537.20-402,327.96-162,488.94

Finding the Fourth Proportional to 291,537.20, 402,327.96 and 162,488.94

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Solution

The fourth proportional to 291,537.20, 402,327.96 and 162,488.94 is: 224,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,537.20 : 402,327.96 = 162,488.94 : x
  2. Step 2: Convert to fraction form
    291,537.20/402,327.96 = 162,488.94/x
  3. Step 3: Cross multiply
    291,537.20x = 402,327.96 × 162,488.94
  4. Step 4: Simplify right side
    291,537.20x = 65,373,842,548.70
  5. Step 5: Solve for x
    x = 65,373,842,548.70/291,537.20
  6. Step 6: Final answer
    x = 224,238.43

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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.