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Finding the Fourth Proportional to 441,469.88, 609,248.43 and 260,189.45

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Solution

The fourth proportional to 441,469.88, 609,248.43 and 260,189.45 is: 359,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,469.88 : 609,248.43 = 260,189.45 : x
  2. Step 2: Convert to fraction form
    441,469.88/609,248.43 = 260,189.45/x
  3. Step 3: Cross multiply
    441,469.88x = 609,248.43 × 260,189.45
  4. Step 4: Simplify right side
    441,469.88x = 158,520,010,868.82
  5. Step 5: Solve for x
    x = 158,520,010,868.82/441,469.88
  6. Step 6: Final answer
    x = 359,073.22

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1.5x scale

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.