Home / 245,229.45-338,405.74-143,264.35

Finding the Fourth Proportional to 245,229.45, 338,405.74 and 143,264.35

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Solution

The fourth proportional to 245,229.45, 338,405.74 and 143,264.35 is: 197,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,229.45 : 338,405.74 = 143,264.35 : x
  2. Step 2: Convert to fraction form
    245,229.45/338,405.74 = 143,264.35/x
  3. Step 3: Cross multiply
    245,229.45x = 338,405.74 × 143,264.35
  4. Step 4: Simplify right side
    245,229.45x = 48,481,478,377.37
  5. Step 5: Solve for x
    x = 48,481,478,377.37/245,229.45
  6. Step 6: Final answer
    x = 197,698.43

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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.