Home / 377,813.25-521,385.93-208,051.02

Finding the Fourth Proportional to 377,813.25, 521,385.93 and 208,051.02

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Solution

The fourth proportional to 377,813.25, 521,385.93 and 208,051.02 is: 287,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,813.25 : 521,385.93 = 208,051.02 : x
  2. Step 2: Convert to fraction form
    377,813.25/521,385.93 = 208,051.02/x
  3. Step 3: Cross multiply
    377,813.25x = 521,385.93 × 208,051.02
  4. Step 4: Simplify right side
    377,813.25x = 108,474,874,550.15
  5. Step 5: Solve for x
    x = 108,474,874,550.15/377,813.25
  6. Step 6: Final answer
    x = 287,112.41

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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.