Home / 279,207.68-385,267.20-166,075.52

Finding the Fourth Proportional to 279,207.68, 385,267.20 and 166,075.52

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Solution

The fourth proportional to 279,207.68, 385,267.20 and 166,075.52 is: 229,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,207.68 : 385,267.20 = 166,075.52 : x
  2. Step 2: Convert to fraction form
    279,207.68/385,267.20 = 166,075.52/x
  3. Step 3: Cross multiply
    279,207.68x = 385,267.20 × 166,075.52
  4. Step 4: Simplify right side
    279,207.68x = 63,983,450,578.94
  5. Step 5: Solve for x
    x = 63,983,450,578.94/279,207.68
  6. Step 6: Final answer
    x = 229,160.78

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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.