Home / 628,143.10-942,094.47-243,891.97

Finding the Fourth Proportional to 628,143.10, 942,094.47 and 243,891.97

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Solution

The fourth proportional to 628,143.10, 942,094.47 and 243,891.97 is: 365,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,143.10 : 942,094.47 = 243,891.97 : x
  2. Step 2: Convert to fraction form
    628,143.10/942,094.47 = 243,891.97/x
  3. Step 3: Cross multiply
    628,143.10x = 942,094.47 × 243,891.97
  4. Step 4: Simplify right side
    628,143.10x = 229,769,276,214.41
  5. Step 5: Solve for x
    x = 229,769,276,214.41/628,143.10
  6. Step 6: Final answer
    x = 365,791.29

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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.