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Finding the Fourth Proportional to 360,003.78, 539,699.49 and 219,860.82

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Solution

The fourth proportional to 360,003.78, 539,699.49 and 219,860.82 is: 329,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,003.78 : 539,699.49 = 219,860.82 : x
  2. Step 2: Convert to fraction form
    360,003.78/539,699.49 = 219,860.82/x
  3. Step 3: Cross multiply
    360,003.78x = 539,699.49 × 219,860.82
  4. Step 4: Simplify right side
    360,003.78x = 118,658,772,424.98
  5. Step 5: Solve for x
    x = 118,658,772,424.98/360,003.78
  6. Step 6: Final answer
    x = 329,604.24

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1.5x scale

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.