Home / 377,927.98-521,540.58-208,162.12

Finding the Fourth Proportional to 377,927.98, 521,540.58 and 208,162.12

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Solution

The fourth proportional to 377,927.98, 521,540.58 and 208,162.12 is: 287,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,927.98 : 521,540.58 = 208,162.12 : x
  2. Step 2: Convert to fraction form
    377,927.98/521,540.58 = 208,162.12/x
  3. Step 3: Cross multiply
    377,927.98x = 521,540.58 × 208,162.12
  4. Step 4: Simplify right side
    377,927.98x = 108,564,992,798.83
  5. Step 5: Solve for x
    x = 108,564,992,798.83/377,927.98
  6. Step 6: Final answer
    x = 287,263.71

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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.