Home / 355,974.13-534,046.85-145,612.68

Finding the Fourth Proportional to 355,974.13, 534,046.85 and 145,612.68

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Solution

The fourth proportional to 355,974.13, 534,046.85 and 145,612.68 is: 218,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,974.13 : 534,046.85 = 145,612.68 : x
  2. Step 2: Convert to fraction form
    355,974.13/534,046.85 = 145,612.68/x
  3. Step 3: Cross multiply
    355,974.13x = 534,046.85 × 145,612.68
  4. Step 4: Simplify right side
    355,974.13x = 77,763,993,074.06
  5. Step 5: Solve for x
    x = 77,763,993,074.06/355,974.13
  6. Step 6: Final answer
    x = 218,454.06

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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.