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Finding the Fourth Proportional to 302,599.40, 454,028.70 and 154,855.40

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Solution

The fourth proportional to 302,599.40, 454,028.70 and 154,855.40 is: 232,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,599.40 : 454,028.70 = 154,855.40 : x
  2. Step 2: Convert to fraction form
    302,599.40/454,028.70 = 154,855.40/x
  3. Step 3: Cross multiply
    302,599.40x = 454,028.70 × 154,855.40
  4. Step 4: Simplify right side
    302,599.40x = 70,308,795,949.98
  5. Step 5: Solve for x
    x = 70,308,795,949.98/302,599.40
  6. Step 6: Final answer
    x = 232,349.42

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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.