Home / 315,945.66-435,898.55-179,883.34

Finding the Fourth Proportional to 315,945.66, 435,898.55 and 179,883.34

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Solution

The fourth proportional to 315,945.66, 435,898.55 and 179,883.34 is: 248,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,945.66 : 435,898.55 = 179,883.34 : x
  2. Step 2: Convert to fraction form
    315,945.66/435,898.55 = 179,883.34/x
  3. Step 3: Cross multiply
    315,945.66x = 435,898.55 × 179,883.34
  4. Step 4: Simplify right side
    315,945.66x = 78,410,886,435.12
  5. Step 5: Solve for x
    x = 78,410,886,435.12/315,945.66
  6. Step 6: Final answer
    x = 248,178.39

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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.