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Finding the Fourth Proportional to 290,166.48, 434,912.76 and 165,594.96

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Solution

The fourth proportional to 290,166.48, 434,912.76 and 165,594.96 is: 248,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,166.48 : 434,912.76 = 165,594.96 : x
  2. Step 2: Convert to fraction form
    290,166.48/434,912.76 = 165,594.96/x
  3. Step 3: Cross multiply
    290,166.48x = 434,912.76 × 165,594.96
  4. Step 4: Simplify right side
    290,166.48x = 72,019,361,095.69
  5. Step 5: Solve for x
    x = 72,019,361,095.69/290,166.48
  6. Step 6: Final answer
    x = 248,200.14

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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.