Home / 628,476.56-942,716.74-155,161.96

Finding the Fourth Proportional to 628,476.56, 942,716.74 and 155,161.96

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Solution

The fourth proportional to 628,476.56, 942,716.74 and 155,161.96 is: 232,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,476.56 : 942,716.74 = 155,161.96 : x
  2. Step 2: Convert to fraction form
    628,476.56/942,716.74 = 155,161.96/x
  3. Step 3: Cross multiply
    628,476.56x = 942,716.74 × 155,161.96
  4. Step 4: Simplify right side
    628,476.56x = 146,273,777,103.21
  5. Step 5: Solve for x
    x = 146,273,777,103.21/628,476.56
  6. Step 6: Final answer
    x = 232,743.41

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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.