Home / 281,008.56-387,790.97-151,946.15

Finding the Fourth Proportional to 281,008.56, 387,790.97 and 151,946.15

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Solution

The fourth proportional to 281,008.56, 387,790.97 and 151,946.15 is: 209,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,008.56 : 387,790.97 = 151,946.15 : x
  2. Step 2: Convert to fraction form
    281,008.56/387,790.97 = 151,946.15/x
  3. Step 3: Cross multiply
    281,008.56x = 387,790.97 × 151,946.15
  4. Step 4: Simplify right side
    281,008.56x = 58,923,342,197.58
  5. Step 5: Solve for x
    x = 58,923,342,197.58/281,008.56
  6. Step 6: Final answer
    x = 209,685.22

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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.