Home / 245,219.37-338,391.93-143,254.29

Finding the Fourth Proportional to 245,219.37, 338,391.93 and 143,254.29

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Solution

The fourth proportional to 245,219.37, 338,391.93 and 143,254.29 is: 197,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,219.37 : 338,391.93 = 143,254.29 : x
  2. Step 2: Convert to fraction form
    245,219.37/338,391.93 = 143,254.29/x
  3. Step 3: Cross multiply
    245,219.37x = 338,391.93 × 143,254.29
  4. Step 4: Simplify right side
    245,219.37x = 48,476,095,673.88
  5. Step 5: Solve for x
    x = 48,476,095,673.88/245,219.37
  6. Step 6: Final answer
    x = 197,684.61

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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.