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Finding the Fourth Proportional to 215,248.78, 322,873.44 and 102,902.59

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Solution

The fourth proportional to 215,248.78, 322,873.44 and 102,902.59 is: 154,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,248.78 : 322,873.44 = 102,902.59 : x
  2. Step 2: Convert to fraction form
    215,248.78/322,873.44 = 102,902.59/x
  3. Step 3: Cross multiply
    215,248.78x = 322,873.44 × 102,902.59
  4. Step 4: Simplify right side
    215,248.78x = 33,224,513,218.21
  5. Step 5: Solve for x
    x = 33,224,513,218.21/215,248.78
  6. Step 6: Final answer
    x = 154,354.01

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1.5x scale

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.