Home / 273,500.64-377,721.90-208,272.15

Finding the Fourth Proportional to 273,500.64, 377,721.90 and 208,272.15

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Solution

The fourth proportional to 273,500.64, 377,721.90 and 208,272.15 is: 287,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,500.64 : 377,721.90 = 208,272.15 : x
  2. Step 2: Convert to fraction form
    273,500.64/377,721.90 = 208,272.15/x
  3. Step 3: Cross multiply
    273,500.64x = 377,721.90 × 208,272.15
  4. Step 4: Simplify right side
    273,500.64x = 78,668,952,215.09
  5. Step 5: Solve for x
    x = 78,668,952,215.09/273,500.64
  6. Step 6: Final answer
    x = 287,637.18

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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.