Home / 628,064.55-941,955.27-178,775.46

Finding the Fourth Proportional to 628,064.55, 941,955.27 and 178,775.46

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Solution

The fourth proportional to 628,064.55, 941,955.27 and 178,775.46 is: 268,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,064.55 : 941,955.27 = 178,775.46 : x
  2. Step 2: Convert to fraction form
    628,064.55/941,955.27 = 178,775.46/x
  3. Step 3: Cross multiply
    628,064.55x = 941,955.27 × 178,775.46
  4. Step 4: Simplify right side
    628,064.55x = 168,398,486,693.67
  5. Step 5: Solve for x
    x = 168,398,486,693.67/628,064.55
  6. Step 6: Final answer
    x = 268,122.90

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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.