Home / 401,972.20-602,267.10-261,658.60

Finding the Fourth Proportional to 401,972.20, 602,267.10 and 261,658.60

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Solution

The fourth proportional to 401,972.20, 602,267.10 and 261,658.60 is: 392,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,972.20 : 602,267.10 = 261,658.60 : x
  2. Step 2: Convert to fraction form
    401,972.20/602,267.10 = 261,658.60/x
  3. Step 3: Cross multiply
    401,972.20x = 602,267.10 × 261,658.60
  4. Step 4: Simplify right side
    401,972.20x = 157,588,366,212.06
  5. Step 5: Solve for x
    x = 157,588,366,212.06/401,972.20
  6. Step 6: Final answer
    x = 392,037.97

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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.