Home / 379,205.63-568,902-112,965.11

Finding the Fourth Proportional to 379,205.63, 568,902 and 112,965.11

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Solution

The fourth proportional to 379,205.63, 568,902 and 112,965.11 is: 169,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,205.63 : 568,902 = 112,965.11 : x
  2. Step 2: Convert to fraction form
    379,205.63/568,902 = 112,965.11/x
  3. Step 3: Cross multiply
    379,205.63x = 568,902 × 112,965.11
  4. Step 4: Simplify right side
    379,205.63x = 64,266,074,164.71
  5. Step 5: Solve for x
    x = 64,266,074,164.71/379,205.63
  6. Step 6: Final answer
    x = 169,475.53

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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.