Home / 254,235.51-350,844.97-145,342.20

Finding the Fourth Proportional to 254,235.51, 350,844.97 and 145,342.20

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Solution

The fourth proportional to 254,235.51, 350,844.97 and 145,342.20 is: 200,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,235.51 : 350,844.97 = 145,342.20 : x
  2. Step 2: Convert to fraction form
    254,235.51/350,844.97 = 145,342.20/x
  3. Step 3: Cross multiply
    254,235.51x = 350,844.97 × 145,342.20
  4. Step 4: Simplify right side
    254,235.51x = 50,992,579,050.06
  5. Step 5: Solve for x
    x = 50,992,579,050.06/254,235.51
  6. Step 6: Final answer
    x = 200,572.21

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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.