Home / 245,619.64-366,513.89-219,142.36

Finding the Fourth Proportional to 245,619.64, 366,513.89 and 219,142.36

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Solution

The fourth proportional to 245,619.64, 366,513.89 and 219,142.36 is: 327,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,619.64 : 366,513.89 = 219,142.36 : x
  2. Step 2: Convert to fraction form
    245,619.64/366,513.89 = 219,142.36/x
  3. Step 3: Cross multiply
    245,619.64x = 366,513.89 × 219,142.36
  4. Step 4: Simplify right side
    245,619.64x = 80,318,718,827.38
  5. Step 5: Solve for x
    x = 80,318,718,827.38/245,619.64
  6. Step 6: Final answer
    x = 327,004.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.