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Finding the Fourth Proportional to 302,544.90, 454,145.40 and 190,351.80

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Solution

The fourth proportional to 302,544.90, 454,145.40 and 190,351.80 is: 285,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,544.90 : 454,145.40 = 190,351.80 : x
  2. Step 2: Convert to fraction form
    302,544.90/454,145.40 = 190,351.80/x
  3. Step 3: Cross multiply
    302,544.90x = 454,145.40 × 190,351.80
  4. Step 4: Simplify right side
    302,544.90x = 86,447,394,351.72
  5. Step 5: Solve for x
    x = 86,447,394,351.72/302,544.90
  6. Step 6: Final answer
    x = 285,734.10

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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.