Home / 328,829.85-493,277.19-136,664.64

Finding the Fourth Proportional to 328,829.85, 493,277.19 and 136,664.64

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Solution

The fourth proportional to 328,829.85, 493,277.19 and 136,664.64 is: 205,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,829.85 : 493,277.19 = 136,664.64 : x
  2. Step 2: Convert to fraction form
    328,829.85/493,277.19 = 136,664.64/x
  3. Step 3: Cross multiply
    328,829.85x = 493,277.19 × 136,664.64
  4. Step 4: Simplify right side
    328,829.85x = 67,413,550,928.86
  5. Step 5: Solve for x
    x = 67,413,550,928.86/328,829.85
  6. Step 6: Final answer
    x = 205,010.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.