Home / 234,929.36-324,071.88-154,370

Finding the Fourth Proportional to 234,929.36, 324,071.88 and 154,370

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Solution

The fourth proportional to 234,929.36, 324,071.88 and 154,370 is: 212,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,929.36 : 324,071.88 = 154,370 : x
  2. Step 2: Convert to fraction form
    234,929.36/324,071.88 = 154,370/x
  3. Step 3: Cross multiply
    234,929.36x = 324,071.88 × 154,370
  4. Step 4: Simplify right side
    234,929.36x = 50,026,976,115.60
  5. Step 5: Solve for x
    x = 50,026,976,115.60/234,929.36
  6. Step 6: Final answer
    x = 212,944.76

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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.