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Finding the Fourth Proportional to 472,202.39, 651,744.47 and 300,086.79

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Solution

The fourth proportional to 472,202.39, 651,744.47 and 300,086.79 is: 414,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,202.39 : 651,744.47 = 300,086.79 : x
  2. Step 2: Convert to fraction form
    472,202.39/651,744.47 = 300,086.79/x
  3. Step 3: Cross multiply
    472,202.39x = 651,744.47 × 300,086.79
  4. Step 4: Simplify right side
    472,202.39x = 195,579,905,902.55
  5. Step 5: Solve for x
    x = 195,579,905,902.55/472,202.39
  6. Step 6: Final answer
    x = 414,186.61

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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.