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Finding the Fourth Proportional to 448,607.78, 619,076.35 and 244,655.04

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Solution

The fourth proportional to 448,607.78, 619,076.35 and 244,655.04 is: 337,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,607.78 : 619,076.35 = 244,655.04 : x
  2. Step 2: Convert to fraction form
    448,607.78/619,076.35 = 244,655.04/x
  3. Step 3: Cross multiply
    448,607.78x = 619,076.35 × 244,655.04
  4. Step 4: Simplify right side
    448,607.78x = 151,460,149,172.30
  5. Step 5: Solve for x
    x = 151,460,149,172.30/448,607.78
  6. Step 6: Final answer
    x = 337,622.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.