Home / 254,629.15-351,418.77-152,710.68

Finding the Fourth Proportional to 254,629.15, 351,418.77 and 152,710.68

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Solution

The fourth proportional to 254,629.15, 351,418.77 and 152,710.68 is: 210,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,629.15 : 351,418.77 = 152,710.68 : x
  2. Step 2: Convert to fraction form
    254,629.15/351,418.77 = 152,710.68/x
  3. Step 3: Cross multiply
    254,629.15x = 351,418.77 × 152,710.68
  4. Step 4: Simplify right side
    254,629.15x = 53,665,399,331.46
  5. Step 5: Solve for x
    x = 53,665,399,331.46/254,629.15
  6. Step 6: Final answer
    x = 210,759.06

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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.