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Finding the Fourth Proportional to 260,923.98, 360,010.26 and 165,395.82

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Solution

The fourth proportional to 260,923.98, 360,010.26 and 165,395.82 is: 228,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,923.98 : 360,010.26 = 165,395.82 : x
  2. Step 2: Convert to fraction form
    260,923.98/360,010.26 = 165,395.82/x
  3. Step 3: Cross multiply
    260,923.98x = 360,010.26 × 165,395.82
  4. Step 4: Simplify right side
    260,923.98x = 59,544,192,161.11
  5. Step 5: Solve for x
    x = 59,544,192,161.11/260,923.98
  6. Step 6: Final answer
    x = 228,205.14

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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.