Home / 646,142.88-969,280.59-247,119.27

Finding the Fourth Proportional to 646,142.88, 969,280.59 and 247,119.27

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Solution

The fourth proportional to 646,142.88, 969,280.59 and 247,119.27 is: 370,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,142.88 : 969,280.59 = 247,119.27 : x
  2. Step 2: Convert to fraction form
    646,142.88/969,280.59 = 247,119.27/x
  3. Step 3: Cross multiply
    646,142.88x = 969,280.59 × 247,119.27
  4. Step 4: Simplify right side
    646,142.88x = 239,527,911,825.97
  5. Step 5: Solve for x
    x = 239,527,911,825.97/646,142.88
  6. Step 6: Final answer
    x = 370,704.25

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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.