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Finding the Fourth Proportional to 377,238.35, 520,580.36 and 207,475.31

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Solution

The fourth proportional to 377,238.35, 520,580.36 and 207,475.31 is: 286,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,238.35 : 520,580.36 = 207,475.31 : x
  2. Step 2: Convert to fraction form
    377,238.35/520,580.36 = 207,475.31/x
  3. Step 3: Cross multiply
    377,238.35x = 520,580.36 × 207,475.31
  4. Step 4: Simplify right side
    377,238.35x = 108,007,567,930.63
  5. Step 5: Solve for x
    x = 108,007,567,930.63/377,238.35
  6. Step 6: Final answer
    x = 286,311.21

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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.