Home / 377,739.06-521,311.59-208,005.18

Finding the Fourth Proportional to 377,739.06, 521,311.59 and 208,005.18

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Solution

The fourth proportional to 377,739.06, 521,311.59 and 208,005.18 is: 287,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,739.06 : 521,311.59 = 208,005.18 : x
  2. Step 2: Convert to fraction form
    377,739.06/521,311.59 = 208,005.18/x
  3. Step 3: Cross multiply
    377,739.06x = 521,311.59 × 208,005.18
  4. Step 4: Simplify right side
    377,739.06x = 108,435,511,114.04
  5. Step 5: Solve for x
    x = 108,435,511,114.04/377,739.06
  6. Step 6: Final answer
    x = 287,064.60

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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.