Home / 646,126.67-969,256.30-247,103.06

Finding the Fourth Proportional to 646,126.67, 969,256.30 and 247,103.06

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Solution

The fourth proportional to 646,126.67, 969,256.30 and 247,103.06 is: 370,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,126.67 : 969,256.30 = 247,103.06 : x
  2. Step 2: Convert to fraction form
    646,126.67/969,256.30 = 247,103.06/x
  3. Step 3: Cross multiply
    646,126.67x = 969,256.30 × 247,103.06
  4. Step 4: Simplify right side
    646,126.67x = 239,506,193,348.54
  5. Step 5: Solve for x
    x = 239,506,193,348.54/646,126.67
  6. Step 6: Final answer
    x = 370,679.94

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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.