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Finding the Fourth Proportional to 304,635.38, 420,409.98 and 168,669.34

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Solution

The fourth proportional to 304,635.38, 420,409.98 and 168,669.34 is: 232,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,635.38 : 420,409.98 = 168,669.34 : x
  2. Step 2: Convert to fraction form
    304,635.38/420,409.98 = 168,669.34/x
  3. Step 3: Cross multiply
    304,635.38x = 420,409.98 × 168,669.34
  4. Step 4: Simplify right side
    304,635.38x = 70,910,272,804.99
  5. Step 5: Solve for x
    x = 70,910,272,804.99/304,635.38
  6. Step 6: Final answer
    x = 232,770.97

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1.5x scale

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.