Home / 320,171.42-479,875.41-149,163.74

Finding the Fourth Proportional to 320,171.42, 479,875.41 and 149,163.74

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Solution

The fourth proportional to 320,171.42, 479,875.41 and 149,163.74 is: 223,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,171.42 : 479,875.41 = 149,163.74 : x
  2. Step 2: Convert to fraction form
    320,171.42/479,875.41 = 149,163.74/x
  3. Step 3: Cross multiply
    320,171.42x = 479,875.41 × 149,163.74
  4. Step 4: Simplify right side
    320,171.42x = 71,580,010,889.63
  5. Step 5: Solve for x
    x = 71,580,010,889.63/320,171.42
  6. Step 6: Final answer
    x = 223,567.77

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1.5x scale

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.