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Finding the Fourth Proportional to 344,652.72, 475,983.36 and 307,082.40

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Solution

The fourth proportional to 344,652.72, 475,983.36 and 307,082.40 is: 424,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,652.72 : 475,983.36 = 307,082.40 : x
  2. Step 2: Convert to fraction form
    344,652.72/475,983.36 = 307,082.40/x
  3. Step 3: Cross multiply
    344,652.72x = 475,983.36 × 307,082.40
  4. Step 4: Simplify right side
    344,652.72x = 146,166,112,548.86
  5. Step 5: Solve for x
    x = 146,166,112,548.86/344,652.72
  6. Step 6: Final answer
    x = 424,096.79

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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.