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Finding the Fourth Proportional to 409,246.02, 613,666.73 and 247,306.87

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Solution

The fourth proportional to 409,246.02, 613,666.73 and 247,306.87 is: 370,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,246.02 : 613,666.73 = 247,306.87 : x
  2. Step 2: Convert to fraction form
    409,246.02/613,666.73 = 247,306.87/x
  3. Step 3: Cross multiply
    409,246.02x = 613,666.73 × 247,306.87
  4. Step 4: Simplify right side
    409,246.02x = 151,763,999,604.79
  5. Step 5: Solve for x
    x = 151,763,999,604.79/409,246.02
  6. Step 6: Final answer
    x = 370,838.06

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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.