Home / 373,913.62-559,976.55-215,662.30

Finding the Fourth Proportional to 373,913.62, 559,976.55 and 215,662.30

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Solution

The fourth proportional to 373,913.62, 559,976.55 and 215,662.30 is: 322,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,913.62 : 559,976.55 = 215,662.30 : x
  2. Step 2: Convert to fraction form
    373,913.62/559,976.55 = 215,662.30/x
  3. Step 3: Cross multiply
    373,913.62x = 559,976.55 × 215,662.30
  4. Step 4: Simplify right side
    373,913.62x = 120,765,830,719.07
  5. Step 5: Solve for x
    x = 120,765,830,719.07/373,913.62
  6. Step 6: Final answer
    x = 322,977.89

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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.