Home / 497,583.21-746,400.33-142,600.30

Finding the Fourth Proportional to 497,583.21, 746,400.33 and 142,600.30

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Solution

The fourth proportional to 497,583.21, 746,400.33 and 142,600.30 is: 213,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,583.21 : 746,400.33 = 142,600.30 : x
  2. Step 2: Convert to fraction form
    497,583.21/746,400.33 = 142,600.30/x
  3. Step 3: Cross multiply
    497,583.21x = 746,400.33 × 142,600.30
  4. Step 4: Simplify right side
    497,583.21x = 106,436,910,978.10
  5. Step 5: Solve for x
    x = 106,436,910,978.10/497,583.21
  6. Step 6: Final answer
    x = 213,907.76

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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.