Home / 232,346.49-320,624.87-128,975.37

Finding the Fourth Proportional to 232,346.49, 320,624.87 and 128,975.37

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Solution

The fourth proportional to 232,346.49, 320,624.87 and 128,975.37 is: 177,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,346.49 : 320,624.87 = 128,975.37 : x
  2. Step 2: Convert to fraction form
    232,346.49/320,624.87 = 128,975.37/x
  3. Step 3: Cross multiply
    232,346.49x = 320,624.87 × 128,975.37
  4. Step 4: Simplify right side
    232,346.49x = 41,352,710,594.58
  5. Step 5: Solve for x
    x = 41,352,710,594.58/232,346.49
  6. Step 6: Final answer
    x = 177,978.63

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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.