Home / 312,200.24-430,836.36-168,961.32

Finding the Fourth Proportional to 312,200.24, 430,836.36 and 168,961.32

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Solution

The fourth proportional to 312,200.24, 430,836.36 and 168,961.32 is: 233,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,200.24 : 430,836.36 = 168,961.32 : x
  2. Step 2: Convert to fraction form
    312,200.24/430,836.36 = 168,961.32/x
  3. Step 3: Cross multiply
    312,200.24x = 430,836.36 × 168,961.32
  4. Step 4: Simplify right side
    312,200.24x = 72,794,680,089.60
  5. Step 5: Solve for x
    x = 72,794,680,089.60/312,200.24
  6. Step 6: Final answer
    x = 233,166.64

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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.