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Finding the Fourth Proportional to 302,477.70, 454,700.70 and 259,175.10

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Solution

The fourth proportional to 302,477.70, 454,700.70 and 259,175.10 is: 389,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,477.70 : 454,700.70 = 259,175.10 : x
  2. Step 2: Convert to fraction form
    302,477.70/454,700.70 = 259,175.10/x
  3. Step 3: Cross multiply
    302,477.70x = 454,700.70 × 259,175.10
  4. Step 4: Simplify right side
    302,477.70x = 117,847,099,392.57
  5. Step 5: Solve for x
    x = 117,847,099,392.57/302,477.70
  6. Step 6: Final answer
    x = 389,605.91

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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.