Home / 288,054.74-397,513.39-158,993.18

Finding the Fourth Proportional to 288,054.74, 397,513.39 and 158,993.18

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Solution

The fourth proportional to 288,054.74, 397,513.39 and 158,993.18 is: 219,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,054.74 : 397,513.39 = 158,993.18 : x
  2. Step 2: Convert to fraction form
    288,054.74/397,513.39 = 158,993.18/x
  3. Step 3: Cross multiply
    288,054.74x = 397,513.39 × 158,993.18
  4. Step 4: Simplify right side
    288,054.74x = 63,201,919,608.43
  5. Step 5: Solve for x
    x = 63,201,919,608.43/288,054.74
  6. Step 6: Final answer
    x = 219,409.41

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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.