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Finding the Fourth Proportional to 377,273.83, 520,484.28 and 213,895.89

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Solution

The fourth proportional to 377,273.83, 520,484.28 and 213,895.89 is: 295,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,273.83 : 520,484.28 = 213,895.89 : x
  2. Step 2: Convert to fraction form
    377,273.83/520,484.28 = 213,895.89/x
  3. Step 3: Cross multiply
    377,273.83x = 520,484.28 × 213,895.89
  4. Step 4: Simplify right side
    377,273.83x = 111,329,448,702.66
  5. Step 5: Solve for x
    x = 111,329,448,702.66/377,273.83
  6. Step 6: Final answer
    x = 295,089.25

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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.