Home / 431,160.84-646,583.58-164,789.64

Finding the Fourth Proportional to 431,160.84, 646,583.58 and 164,789.64

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Solution

The fourth proportional to 431,160.84, 646,583.58 and 164,789.64 is: 247,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,160.84 : 646,583.58 = 164,789.64 : x
  2. Step 2: Convert to fraction form
    431,160.84/646,583.58 = 164,789.64/x
  3. Step 3: Cross multiply
    431,160.84x = 646,583.58 × 164,789.64
  4. Step 4: Simplify right side
    431,160.84x = 106,550,275,378.11
  5. Step 5: Solve for x
    x = 106,550,275,378.11/431,160.84
  6. Step 6: Final answer
    x = 247,124.19

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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.