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Finding the Fourth Proportional to 350,041.56, 483,117.64 and 202,845.78

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Solution

The fourth proportional to 350,041.56, 483,117.64 and 202,845.78 is: 279,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,041.56 : 483,117.64 = 202,845.78 : x
  2. Step 2: Convert to fraction form
    350,041.56/483,117.64 = 202,845.78/x
  3. Step 3: Cross multiply
    350,041.56x = 483,117.64 × 202,845.78
  4. Step 4: Simplify right side
    350,041.56x = 97,998,374,517.56
  5. Step 5: Solve for x
    x = 97,998,374,517.56/350,041.56
  6. Step 6: Final answer
    x = 279,962.11

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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.