Home / 281,325.22-388,409.92-251,058.56

Finding the Fourth Proportional to 281,325.22, 388,409.92 and 251,058.56

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Solution

The fourth proportional to 281,325.22, 388,409.92 and 251,058.56 is: 346,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,325.22 : 388,409.92 = 251,058.56 : x
  2. Step 2: Convert to fraction form
    281,325.22/388,409.92 = 251,058.56/x
  3. Step 3: Cross multiply
    281,325.22x = 388,409.92 × 251,058.56
  4. Step 4: Simplify right side
    281,325.22x = 97,513,632,635.22
  5. Step 5: Solve for x
    x = 97,513,632,635.22/281,325.22
  6. Step 6: Final answer
    x = 346,622.44

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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.