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Finding the Fourth Proportional to 272,309.40, 408,464.10 and 245,737.35

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Solution

The fourth proportional to 272,309.40, 408,464.10 and 245,737.35 is: 368,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,309.40 : 408,464.10 = 245,737.35 : x
  2. Step 2: Convert to fraction form
    272,309.40/408,464.10 = 245,737.35/x
  3. Step 3: Cross multiply
    272,309.40x = 408,464.10 × 245,737.35
  4. Step 4: Simplify right side
    272,309.40x = 100,374,885,504.14
  5. Step 5: Solve for x
    x = 100,374,885,504.14/272,309.40
  6. Step 6: Final answer
    x = 368,606.03

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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.