Home / 254,400.25-381,683.30-127,975.25

Finding the Fourth Proportional to 254,400.25, 381,683.30 and 127,975.25

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Solution

The fourth proportional to 254,400.25, 381,683.30 and 127,975.25 is: 192,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,400.25 : 381,683.30 = 127,975.25 : x
  2. Step 2: Convert to fraction form
    254,400.25/381,683.30 = 127,975.25/x
  3. Step 3: Cross multiply
    254,400.25x = 381,683.30 × 127,975.25
  4. Step 4: Simplify right side
    254,400.25x = 48,846,014,621.34
  5. Step 5: Solve for x
    x = 48,846,014,621.34/254,400.25
  6. Step 6: Final answer
    x = 192,004.58

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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.