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Finding the Fourth Proportional to 426,900.92, 589,073.11 and 235,902.92

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Solution

The fourth proportional to 426,900.92, 589,073.11 and 235,902.92 is: 325,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,900.92 : 589,073.11 = 235,902.92 : x
  2. Step 2: Convert to fraction form
    426,900.92/589,073.11 = 235,902.92/x
  3. Step 3: Cross multiply
    426,900.92x = 589,073.11 × 235,902.92
  4. Step 4: Simplify right side
    426,900.92x = 138,964,063,207.36
  5. Step 5: Solve for x
    x = 138,964,063,207.36/426,900.92
  6. Step 6: Final answer
    x = 325,518.31

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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.