Home / 411,848.39-617,535.98-219,485.94

Finding the Fourth Proportional to 411,848.39, 617,535.98 and 219,485.94

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Solution

The fourth proportional to 411,848.39, 617,535.98 and 219,485.94 is: 329,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,848.39 : 617,535.98 = 219,485.94 : x
  2. Step 2: Convert to fraction form
    411,848.39/617,535.98 = 219,485.94/x
  3. Step 3: Cross multiply
    411,848.39x = 617,535.98 × 219,485.94
  4. Step 4: Simplify right side
    411,848.39x = 135,540,467,172.25
  5. Step 5: Solve for x
    x = 135,540,467,172.25/411,848.39
  6. Step 6: Final answer
    x = 329,102.82

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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.