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Finding the Fourth Proportional to 383,857.48, 574,605.22 and 250,450.48

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Solution

The fourth proportional to 383,857.48, 574,605.22 and 250,450.48 is: 374,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,857.48 : 574,605.22 = 250,450.48 : x
  2. Step 2: Convert to fraction form
    383,857.48/574,605.22 = 250,450.48/x
  3. Step 3: Cross multiply
    383,857.48x = 574,605.22 × 250,450.48
  4. Step 4: Simplify right side
    383,857.48x = 143,910,153,159.51
  5. Step 5: Solve for x
    x = 143,910,153,159.51/383,857.48
  6. Step 6: Final answer
    x = 374,905.17

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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.