Home / 278,733.15-384,637.41-151,408.44

Finding the Fourth Proportional to 278,733.15, 384,637.41 and 151,408.44

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Solution

The fourth proportional to 278,733.15, 384,637.41 and 151,408.44 is: 208,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,733.15 : 384,637.41 = 151,408.44 : x
  2. Step 2: Convert to fraction form
    278,733.15/384,637.41 = 151,408.44/x
  3. Step 3: Cross multiply
    278,733.15x = 384,637.41 × 151,408.44
  4. Step 4: Simplify right side
    278,733.15x = 58,237,350,213.74
  5. Step 5: Solve for x
    x = 58,237,350,213.74/278,733.15
  6. Step 6: Final answer
    x = 208,935.86

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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.