Home / 401,780.22-602,650.79-149,109.92

Finding the Fourth Proportional to 401,780.22, 602,650.79 and 149,109.92

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Solution

The fourth proportional to 401,780.22, 602,650.79 and 149,109.92 is: 223,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,780.22 : 602,650.79 = 149,109.92 : x
  2. Step 2: Convert to fraction form
    401,780.22/602,650.79 = 149,109.92/x
  3. Step 3: Cross multiply
    401,780.22x = 602,650.79 × 149,109.92
  4. Step 4: Simplify right side
    401,780.22x = 89,861,211,084.84
  5. Step 5: Solve for x
    x = 89,861,211,084.84/401,780.22
  6. Step 6: Final answer
    x = 223,657.63

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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.