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Finding the Fourth Proportional to 304,862.40, 455,997.60 and 273,499.20

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Solution

The fourth proportional to 304,862.40, 455,997.60 and 273,499.20 is: 409,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,862.40 : 455,997.60 = 273,499.20 : x
  2. Step 2: Convert to fraction form
    304,862.40/455,997.60 = 273,499.20/x
  3. Step 3: Cross multiply
    304,862.40x = 455,997.60 × 273,499.20
  4. Step 4: Simplify right side
    304,862.40x = 124,714,978,801.92
  5. Step 5: Solve for x
    x = 124,714,978,801.92/304,862.40
  6. Step 6: Final answer
    x = 409,086.13

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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.