Home / 628,237.58-942,344.21-178,961.36

Finding the Fourth Proportional to 628,237.58, 942,344.21 and 178,961.36

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Solution

The fourth proportional to 628,237.58, 942,344.21 and 178,961.36 is: 268,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,237.58 : 942,344.21 = 178,961.36 : x
  2. Step 2: Convert to fraction form
    628,237.58/942,344.21 = 178,961.36/x
  3. Step 3: Cross multiply
    628,237.58x = 942,344.21 × 178,961.36
  4. Step 4: Simplify right side
    628,237.58x = 168,643,195,803.20
  5. Step 5: Solve for x
    x = 168,643,195,803.20/628,237.58
  6. Step 6: Final answer
    x = 268,438.57

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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.