Home / 219,692.20-329,279.10-164,223.40

Finding the Fourth Proportional to 219,692.20, 329,279.10 and 164,223.40

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Solution

The fourth proportional to 219,692.20, 329,279.10 and 164,223.40 is: 246,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,692.20 : 329,279.10 = 164,223.40 : x
  2. Step 2: Convert to fraction form
    219,692.20/329,279.10 = 164,223.40/x
  3. Step 3: Cross multiply
    219,692.20x = 329,279.10 × 164,223.40
  4. Step 4: Simplify right side
    219,692.20x = 54,075,333,350.94
  5. Step 5: Solve for x
    x = 54,075,333,350.94/219,692.20
  6. Step 6: Final answer
    x = 246,141.34

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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.