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Finding the Fourth Proportional to 622,372.20, 934,019.10 and 248,663.40

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Solution

The fourth proportional to 622,372.20, 934,019.10 and 248,663.40 is: 373,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,372.20 : 934,019.10 = 248,663.40 : x
  2. Step 2: Convert to fraction form
    622,372.20/934,019.10 = 248,663.40/x
  3. Step 3: Cross multiply
    622,372.20x = 934,019.10 × 248,663.40
  4. Step 4: Simplify right side
    622,372.20x = 232,256,365,070.94
  5. Step 5: Solve for x
    x = 232,256,365,070.94/622,372.20
  6. Step 6: Final answer
    x = 373,179.21

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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.