Home / 254,280.81-350,911.97-139,570.18

Finding the Fourth Proportional to 254,280.81, 350,911.97 and 139,570.18

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Solution

The fourth proportional to 254,280.81, 350,911.97 and 139,570.18 is: 192,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,280.81 : 350,911.97 = 139,570.18 : x
  2. Step 2: Convert to fraction form
    254,280.81/350,911.97 = 139,570.18/x
  3. Step 3: Cross multiply
    254,280.81x = 350,911.97 × 139,570.18
  4. Step 4: Simplify right side
    254,280.81x = 48,976,846,817.05
  5. Step 5: Solve for x
    x = 48,976,846,817.05/254,280.81
  6. Step 6: Final answer
    x = 192,609.29

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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.