Home / 265,137.12-397,705.56-218,291.52

Finding the Fourth Proportional to 265,137.12, 397,705.56 and 218,291.52

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Solution

The fourth proportional to 265,137.12, 397,705.56 and 218,291.52 is: 327,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,137.12 : 397,705.56 = 218,291.52 : x
  2. Step 2: Convert to fraction form
    265,137.12/397,705.56 = 218,291.52/x
  3. Step 3: Cross multiply
    265,137.12x = 397,705.56 × 218,291.52
  4. Step 4: Simplify right side
    265,137.12x = 86,815,751,204.85
  5. Step 5: Solve for x
    x = 86,815,751,204.85/265,137.12
  6. Step 6: Final answer
    x = 327,437.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.