Home / 262,455.23-393,856.59-144,209

Finding the Fourth Proportional to 262,455.23, 393,856.59 and 144,209

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Solution

The fourth proportional to 262,455.23, 393,856.59 and 144,209 is: 216,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,455.23 : 393,856.59 = 144,209 : x
  2. Step 2: Convert to fraction form
    262,455.23/393,856.59 = 144,209/x
  3. Step 3: Cross multiply
    262,455.23x = 393,856.59 × 144,209
  4. Step 4: Simplify right side
    262,455.23x = 56,797,664,987.31
  5. Step 5: Solve for x
    x = 56,797,664,987.31/262,455.23
  6. Step 6: Final answer
    x = 216,408.97

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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.