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Finding the Fourth Proportional to 297,450.77, 446,999.60 and 290,240.30

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Solution

The fourth proportional to 297,450.77, 446,999.60 and 290,240.30 is: 436,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,450.77 : 446,999.60 = 290,240.30 : x
  2. Step 2: Convert to fraction form
    297,450.77/446,999.60 = 290,240.30/x
  3. Step 3: Cross multiply
    297,450.77x = 446,999.60 × 290,240.30
  4. Step 4: Simplify right side
    297,450.77x = 129,737,294,317.68
  5. Step 5: Solve for x
    x = 129,737,294,317.68/297,450.77
  6. Step 6: Final answer
    x = 436,163.93

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1.5x scale

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.