Home / 291,506.11-436,271.50-179,257.39

Finding the Fourth Proportional to 291,506.11, 436,271.50 and 179,257.39

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Solution

The fourth proportional to 291,506.11, 436,271.50 and 179,257.39 is: 268,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,506.11 : 436,271.50 = 179,257.39 : x
  2. Step 2: Convert to fraction form
    291,506.11/436,271.50 = 179,257.39/x
  3. Step 3: Cross multiply
    291,506.11x = 436,271.50 × 179,257.39
  4. Step 4: Simplify right side
    291,506.11x = 78,204,890,421.39
  5. Step 5: Solve for x
    x = 78,204,890,421.39/291,506.11
  6. Step 6: Final answer
    x = 268,278.73

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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.