Home / 312,206.52-430,844.96-168,966.58

Finding the Fourth Proportional to 312,206.52, 430,844.96 and 168,966.58

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Solution

The fourth proportional to 312,206.52, 430,844.96 and 168,966.58 is: 233,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,206.52 : 430,844.96 = 168,966.58 : x
  2. Step 2: Convert to fraction form
    312,206.52/430,844.96 = 168,966.58/x
  3. Step 3: Cross multiply
    312,206.52x = 430,844.96 × 168,966.58
  4. Step 4: Simplify right side
    312,206.52x = 72,798,399,401.44
  5. Step 5: Solve for x
    x = 72,798,399,401.44/312,206.52
  6. Step 6: Final answer
    x = 233,173.86

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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.