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Finding the Fourth Proportional to 377,518.54, 520,975.67 and 207,752.66

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Solution

The fourth proportional to 377,518.54, 520,975.67 and 207,752.66 is: 286,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,518.54 : 520,975.67 = 207,752.66 : x
  2. Step 2: Convert to fraction form
    377,518.54/520,975.67 = 207,752.66/x
  3. Step 3: Cross multiply
    377,518.54x = 520,975.67 × 207,752.66
  4. Step 4: Simplify right side
    377,518.54x = 108,234,081,237.78
  5. Step 5: Solve for x
    x = 108,234,081,237.78/377,518.54
  6. Step 6: Final answer
    x = 286,698.72

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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.