Home / 291,660.09-437,646.98-281,044.15

Finding the Fourth Proportional to 291,660.09, 437,646.98 and 281,044.15

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Solution

The fourth proportional to 291,660.09, 437,646.98 and 281,044.15 is: 421,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,660.09 : 437,646.98 = 281,044.15 : x
  2. Step 2: Convert to fraction form
    291,660.09/437,646.98 = 281,044.15/x
  3. Step 3: Cross multiply
    291,660.09x = 437,646.98 × 281,044.15
  4. Step 4: Simplify right side
    291,660.09x = 122,998,123,494.17
  5. Step 5: Solve for x
    x = 122,998,123,494.17/291,660.09
  6. Step 6: Final answer
    x = 421,717.36

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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.