Home / 288,377.07-395,069.95-277,595.43

Finding the Fourth Proportional to 288,377.07, 395,069.95 and 277,595.43

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Solution

The fourth proportional to 288,377.07, 395,069.95 and 277,595.43 is: 380,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,377.07 : 395,069.95 = 277,595.43 : x
  2. Step 2: Convert to fraction form
    288,377.07/395,069.95 = 277,595.43/x
  3. Step 3: Cross multiply
    288,377.07x = 395,069.95 × 277,595.43
  4. Step 4: Simplify right side
    288,377.07x = 109,669,612,650.33
  5. Step 5: Solve for x
    x = 109,669,612,650.33/288,377.07
  6. Step 6: Final answer
    x = 380,299.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.