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Finding the Fourth Proportional to 377,448.63, 520,879.04 and 207,682.77

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Solution

The fourth proportional to 377,448.63, 520,879.04 and 207,682.77 is: 286,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,448.63 : 520,879.04 = 207,682.77 : x
  2. Step 2: Convert to fraction form
    377,448.63/520,879.04 = 207,682.77/x
  3. Step 3: Cross multiply
    377,448.63x = 520,879.04 × 207,682.77
  4. Step 4: Simplify right side
    377,448.63x = 108,177,600,823.73
  5. Step 5: Solve for x
    x = 108,177,600,823.73/377,448.63
  6. Step 6: Final answer
    x = 286,602.18

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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.