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Finding the Fourth Proportional to 636,012.13, 954,455.60 and 262,035.13

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Solution

The fourth proportional to 636,012.13, 954,455.60 and 262,035.13 is: 393,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,012.13 : 954,455.60 = 262,035.13 : x
  2. Step 2: Convert to fraction form
    636,012.13/954,455.60 = 262,035.13/x
  3. Step 3: Cross multiply
    636,012.13x = 954,455.60 × 262,035.13
  4. Step 4: Simplify right side
    636,012.13x = 250,100,897,225.23
  5. Step 5: Solve for x
    x = 250,100,897,225.23/636,012.13
  6. Step 6: Final answer
    x = 393,232.90

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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.