Home / 239,211.20-330,051.84-154,226

Finding the Fourth Proportional to 239,211.20, 330,051.84 and 154,226

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Solution

The fourth proportional to 239,211.20, 330,051.84 and 154,226 is: 212,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,211.20 : 330,051.84 = 154,226 : x
  2. Step 2: Convert to fraction form
    239,211.20/330,051.84 = 154,226/x
  3. Step 3: Cross multiply
    239,211.20x = 330,051.84 × 154,226
  4. Step 4: Simplify right side
    239,211.20x = 50,902,575,075.84
  5. Step 5: Solve for x
    x = 50,902,575,075.84/239,211.20
  6. Step 6: Final answer
    x = 212,793.44

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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.