Home / 447,290.46-617,245.02-243,335.70

Finding the Fourth Proportional to 447,290.46, 617,245.02 and 243,335.70

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Solution

The fourth proportional to 447,290.46, 617,245.02 and 243,335.70 is: 335,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,290.46 : 617,245.02 = 243,335.70 : x
  2. Step 2: Convert to fraction form
    447,290.46/617,245.02 = 243,335.70/x
  3. Step 3: Cross multiply
    447,290.46x = 617,245.02 × 243,335.70
  4. Step 4: Simplify right side
    447,290.46x = 150,197,749,013.21
  5. Step 5: Solve for x
    x = 150,197,749,013.21/447,290.46
  6. Step 6: Final answer
    x = 335,794.66

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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.