Home / 307,450.75-424,282.04-173,314.75

Finding the Fourth Proportional to 307,450.75, 424,282.04 and 173,314.75

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Solution

The fourth proportional to 307,450.75, 424,282.04 and 173,314.75 is: 239,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,450.75 : 424,282.04 = 173,314.75 : x
  2. Step 2: Convert to fraction form
    307,450.75/424,282.04 = 173,314.75/x
  3. Step 3: Cross multiply
    307,450.75x = 424,282.04 × 173,314.75
  4. Step 4: Simplify right side
    307,450.75x = 73,534,335,692.09
  5. Step 5: Solve for x
    x = 73,534,335,692.09/307,450.75
  6. Step 6: Final answer
    x = 239,174.36

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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.