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Finding the Fourth Proportional to 340,344.10, 510,516.15 and 228,369.70

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Solution

The fourth proportional to 340,344.10, 510,516.15 and 228,369.70 is: 342,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,344.10 : 510,516.15 = 228,369.70 : x
  2. Step 2: Convert to fraction form
    340,344.10/510,516.15 = 228,369.70/x
  3. Step 3: Cross multiply
    340,344.10x = 510,516.15 × 228,369.70
  4. Step 4: Simplify right side
    340,344.10x = 116,586,420,020.66
  5. Step 5: Solve for x
    x = 116,586,420,020.66/340,344.10
  6. Step 6: Final answer
    x = 342,554.55

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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.