Home / 483,055.03-666,636.76-268,195.11

Finding the Fourth Proportional to 483,055.03, 666,636.76 and 268,195.11

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Solution

The fourth proportional to 483,055.03, 666,636.76 and 268,195.11 is: 370,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,055.03 : 666,636.76 = 268,195.11 : x
  2. Step 2: Convert to fraction form
    483,055.03/666,636.76 = 268,195.11/x
  3. Step 3: Cross multiply
    483,055.03x = 666,636.76 × 268,195.11
  4. Step 4: Simplify right side
    483,055.03x = 178,788,719,178.24
  5. Step 5: Solve for x
    x = 178,788,719,178.24/483,055.03
  6. Step 6: Final answer
    x = 370,120.81

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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.