Home / 283,035.06-390,644.19-162,257.43

Finding the Fourth Proportional to 283,035.06, 390,644.19 and 162,257.43

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Solution

The fourth proportional to 283,035.06, 390,644.19 and 162,257.43 is: 223,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,035.06 : 390,644.19 = 162,257.43 : x
  2. Step 2: Convert to fraction form
    283,035.06/390,644.19 = 162,257.43/x
  3. Step 3: Cross multiply
    283,035.06x = 390,644.19 × 162,257.43
  4. Step 4: Simplify right side
    283,035.06x = 63,384,922,313.83
  5. Step 5: Solve for x
    x = 63,384,922,313.83/283,035.06
  6. Step 6: Final answer
    x = 223,947.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.