Home / 212,035.36-318,042.96-62,269.60

Finding the Fourth Proportional to 212,035.36, 318,042.96 and 62,269.60

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Solution

The fourth proportional to 212,035.36, 318,042.96 and 62,269.60 is: 93,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,035.36 : 318,042.96 = 62,269.60 : x
  2. Step 2: Convert to fraction form
    212,035.36/318,042.96 = 62,269.60/x
  3. Step 3: Cross multiply
    212,035.36x = 318,042.96 × 62,269.60
  4. Step 4: Simplify right side
    212,035.36x = 19,804,407,902.02
  5. Step 5: Solve for x
    x = 19,804,407,902.02/212,035.36
  6. Step 6: Final answer
    x = 93,401.44

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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.