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Finding the Fourth Proportional to 302,933.60, 454,400.40 and 218,515.40

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Solution

The fourth proportional to 302,933.60, 454,400.40 and 218,515.40 is: 327,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,933.60 : 454,400.40 = 218,515.40 : x
  2. Step 2: Convert to fraction form
    302,933.60/454,400.40 = 218,515.40/x
  3. Step 3: Cross multiply
    302,933.60x = 454,400.40 × 218,515.40
  4. Step 4: Simplify right side
    302,933.60x = 99,293,485,166.16
  5. Step 5: Solve for x
    x = 99,293,485,166.16/302,933.60
  6. Step 6: Final answer
    x = 327,773.10

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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.