Home / 628,064.54-941,955.29-178,775.45

Finding the Fourth Proportional to 628,064.54, 941,955.29 and 178,775.45

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Solution

The fourth proportional to 628,064.54, 941,955.29 and 178,775.45 is: 268,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,064.54 : 941,955.29 = 178,775.45 : x
  2. Step 2: Convert to fraction form
    628,064.54/941,955.29 = 178,775.45/x
  3. Step 3: Cross multiply
    628,064.54x = 941,955.29 × 178,775.45
  4. Step 4: Simplify right side
    628,064.54x = 168,398,475,245.98
  5. Step 5: Solve for x
    x = 168,398,475,245.98/628,064.54
  6. Step 6: Final answer
    x = 268,122.89

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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.