Home / 215,177.76-322,817.04-211,607.52

Finding the Fourth Proportional to 215,177.76, 322,817.04 and 211,607.52

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Solution

The fourth proportional to 215,177.76, 322,817.04 and 211,607.52 is: 317,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,177.76 : 322,817.04 = 211,607.52 : x
  2. Step 2: Convert to fraction form
    215,177.76/322,817.04 = 211,607.52/x
  3. Step 3: Cross multiply
    215,177.76x = 322,817.04 × 211,607.52
  4. Step 4: Simplify right side
    215,177.76x = 68,310,513,248.14
  5. Step 5: Solve for x
    x = 68,310,513,248.14/215,177.76
  6. Step 6: Final answer
    x = 317,460.84

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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.