Home / 262,478.08-393,890.82-144,231.76

Finding the Fourth Proportional to 262,478.08, 393,890.82 and 144,231.76

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Solution

The fourth proportional to 262,478.08, 393,890.82 and 144,231.76 is: 216,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,478.08 : 393,890.82 = 144,231.76 : x
  2. Step 2: Convert to fraction form
    262,478.08/393,890.82 = 144,231.76/x
  3. Step 3: Cross multiply
    262,478.08x = 393,890.82 × 144,231.76
  4. Step 4: Simplify right side
    262,478.08x = 56,811,566,216.44
  5. Step 5: Solve for x
    x = 56,811,566,216.44/262,478.08
  6. Step 6: Final answer
    x = 216,443.09

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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.