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Finding the Fourth Proportional to 299,052.90, 448,209.96 and 256,634.82

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Solution

The fourth proportional to 299,052.90, 448,209.96 and 256,634.82 is: 384,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,052.90 : 448,209.96 = 256,634.82 : x
  2. Step 2: Convert to fraction form
    299,052.90/448,209.96 = 256,634.82/x
  3. Step 3: Cross multiply
    299,052.90x = 448,209.96 × 256,634.82
  4. Step 4: Simplify right side
    299,052.90x = 115,026,282,406.81
  5. Step 5: Solve for x
    x = 115,026,282,406.81/299,052.90
  6. Step 6: Final answer
    x = 384,635.23

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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.