Home / 422,256.16-631,795.14-296,142.58

Finding the Fourth Proportional to 422,256.16, 631,795.14 and 296,142.58

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Solution

The fourth proportional to 422,256.16, 631,795.14 and 296,142.58 is: 443,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,256.16 : 631,795.14 = 296,142.58 : x
  2. Step 2: Convert to fraction form
    422,256.16/631,795.14 = 296,142.58/x
  3. Step 3: Cross multiply
    422,256.16x = 631,795.14 × 296,142.58
  4. Step 4: Simplify right side
    422,256.16x = 187,101,443,580.81
  5. Step 5: Solve for x
    x = 187,101,443,580.81/422,256.16
  6. Step 6: Final answer
    x = 443,099.38

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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.