Home / 320,529.02-442,337.63-177,291.86

Finding the Fourth Proportional to 320,529.02, 442,337.63 and 177,291.86

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Solution

The fourth proportional to 320,529.02, 442,337.63 and 177,291.86 is: 244,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,529.02 : 442,337.63 = 177,291.86 : x
  2. Step 2: Convert to fraction form
    320,529.02/442,337.63 = 177,291.86/x
  3. Step 3: Cross multiply
    320,529.02x = 442,337.63 × 177,291.86
  4. Step 4: Simplify right side
    320,529.02x = 78,422,858,072.54
  5. Step 5: Solve for x
    x = 78,422,858,072.54/320,529.02
  6. Step 6: Final answer
    x = 244,666.95

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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.