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Finding the Fourth Proportional to 333,421.92, 460,125.36 and 190,190.43

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Solution

The fourth proportional to 333,421.92, 460,125.36 and 190,190.43 is: 262,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,421.92 : 460,125.36 = 190,190.43 : x
  2. Step 2: Convert to fraction form
    333,421.92/460,125.36 = 190,190.43/x
  3. Step 3: Cross multiply
    333,421.92x = 460,125.36 × 190,190.43
  4. Step 4: Simplify right side
    333,421.92x = 87,511,440,072.30
  5. Step 5: Solve for x
    x = 87,511,440,072.30/333,421.92
  6. Step 6: Final answer
    x = 262,464.57

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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.