Home / 447,620.03-617,715.63-243,672.43

Finding the Fourth Proportional to 447,620.03, 617,715.63 and 243,672.43

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Solution

The fourth proportional to 447,620.03, 617,715.63 and 243,672.43 is: 336,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,620.03 : 617,715.63 = 243,672.43 : x
  2. Step 2: Convert to fraction form
    447,620.03/617,715.63 = 243,672.43/x
  3. Step 3: Cross multiply
    447,620.03x = 617,715.63 × 243,672.43
  4. Step 4: Simplify right side
    447,620.03x = 150,520,265,848.43
  5. Step 5: Solve for x
    x = 150,520,265,848.43/447,620.03
  6. Step 6: Final answer
    x = 336,267.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.