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Finding the Fourth Proportional to 273,603.66, 409,782.15 and 223,609.02

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Solution

The fourth proportional to 273,603.66, 409,782.15 and 223,609.02 is: 334,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,603.66 : 409,782.15 = 223,609.02 : x
  2. Step 2: Convert to fraction form
    273,603.66/409,782.15 = 223,609.02/x
  3. Step 3: Cross multiply
    273,603.66x = 409,782.15 × 223,609.02
  4. Step 4: Simplify right side
    273,603.66x = 91,630,984,974.99
  5. Step 5: Solve for x
    x = 91,630,984,974.99/273,603.66
  6. Step 6: Final answer
    x = 334,904.09

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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.