Home / 257,947.59-355,968.41-143,226.48

Finding the Fourth Proportional to 257,947.59, 355,968.41 and 143,226.48

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Solution

The fourth proportional to 257,947.59, 355,968.41 and 143,226.48 is: 197,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,947.59 : 355,968.41 = 143,226.48 : x
  2. Step 2: Convert to fraction form
    257,947.59/355,968.41 = 143,226.48/x
  3. Step 3: Cross multiply
    257,947.59x = 355,968.41 × 143,226.48
  4. Step 4: Simplify right side
    257,947.59x = 50,984,101,639.36
  5. Step 5: Solve for x
    x = 50,984,101,639.36/257,947.59
  6. Step 6: Final answer
    x = 197,652.95

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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.