Home / 442,022.52-609,993.56-258,271.88

Finding the Fourth Proportional to 442,022.52, 609,993.56 and 258,271.88

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Solution

The fourth proportional to 442,022.52, 609,993.56 and 258,271.88 is: 356,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,022.52 : 609,993.56 = 258,271.88 : x
  2. Step 2: Convert to fraction form
    442,022.52/609,993.56 = 258,271.88/x
  3. Step 3: Cross multiply
    442,022.52x = 609,993.56 × 258,271.88
  4. Step 4: Simplify right side
    442,022.52x = 157,544,183,529.09
  5. Step 5: Solve for x
    x = 157,544,183,529.09/442,022.52
  6. Step 6: Final answer
    x = 356,416.64

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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.