Home / 905,172.80-1,357,759.13-231,255.54

Finding the Fourth Proportional to 905,172.80, 1,357,759.13 and 231,255.54

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Solution

The fourth proportional to 905,172.80, 1,357,759.13 and 231,255.54 is: 346,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,172.80 : 1,357,759.13 = 231,255.54 : x
  2. Step 2: Convert to fraction form
    905,172.80/1,357,759.13 = 231,255.54/x
  3. Step 3: Cross multiply
    905,172.80x = 1,357,759.13 × 231,255.54
  4. Step 4: Simplify right side
    905,172.80x = 313,989,319,641.80
  5. Step 5: Solve for x
    x = 313,989,319,641.80/905,172.80
  6. Step 6: Final answer
    x = 346,883.29

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1.5x scale

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.