Home / 269,011.36-371,280.06-205,228.72

Finding the Fourth Proportional to 269,011.36, 371,280.06 and 205,228.72

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Solution

The fourth proportional to 269,011.36, 371,280.06 and 205,228.72 is: 283,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,011.36 : 371,280.06 = 205,228.72 : x
  2. Step 2: Convert to fraction form
    269,011.36/371,280.06 = 205,228.72/x
  3. Step 3: Cross multiply
    269,011.36x = 371,280.06 × 205,228.72
  4. Step 4: Simplify right side
    269,011.36x = 76,197,331,475.32
  5. Step 5: Solve for x
    x = 76,197,331,475.32/269,011.36
  6. Step 6: Final answer
    x = 283,249.49

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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.