Home / 450,112.15-621,231.15-259,236.06

Finding the Fourth Proportional to 450,112.15, 621,231.15 and 259,236.06

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Solution

The fourth proportional to 450,112.15, 621,231.15 and 259,236.06 is: 357,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,112.15 : 621,231.15 = 259,236.06 : x
  2. Step 2: Convert to fraction form
    450,112.15/621,231.15 = 259,236.06/x
  3. Step 3: Cross multiply
    450,112.15x = 621,231.15 × 259,236.06
  4. Step 4: Simplify right side
    450,112.15x = 161,045,515,675.27
  5. Step 5: Solve for x
    x = 161,045,515,675.27/450,112.15
  6. Step 6: Final answer
    x = 357,789.75

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1.5x scale

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.