Home / 212,313.33-317,485.71-164,385.18

Finding the Fourth Proportional to 212,313.33, 317,485.71 and 164,385.18

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Solution

The fourth proportional to 212,313.33, 317,485.71 and 164,385.18 is: 245,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,313.33 : 317,485.71 = 164,385.18 : x
  2. Step 2: Convert to fraction form
    212,313.33/317,485.71 = 164,385.18/x
  3. Step 3: Cross multiply
    212,313.33x = 317,485.71 × 164,385.18
  4. Step 4: Simplify right side
    212,313.33x = 52,189,945,585.78
  5. Step 5: Solve for x
    x = 52,189,945,585.78/212,313.33
  6. Step 6: Final answer
    x = 245,815.68

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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.