Home / 262,454.23-393,855.09-144,208

Finding the Fourth Proportional to 262,454.23, 393,855.09 and 144,208

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Solution

The fourth proportional to 262,454.23, 393,855.09 and 144,208 is: 216,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,454.23 : 393,855.09 = 144,208 : x
  2. Step 2: Convert to fraction form
    262,454.23/393,855.09 = 144,208/x
  3. Step 3: Cross multiply
    262,454.23x = 393,855.09 × 144,208
  4. Step 4: Simplify right side
    262,454.23x = 56,797,054,818.72
  5. Step 5: Solve for x
    x = 56,797,054,818.72/262,454.23
  6. Step 6: Final answer
    x = 216,407.47

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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.