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Finding the Fourth Proportional to 424,234.27, 585,454.83 and 230,655

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Solution

The fourth proportional to 424,234.27, 585,454.83 and 230,655 is: 318,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,234.27 : 585,454.83 = 230,655 : x
  2. Step 2: Convert to fraction form
    424,234.27/585,454.83 = 230,655/x
  3. Step 3: Cross multiply
    424,234.27x = 585,454.83 × 230,655
  4. Step 4: Simplify right side
    424,234.27x = 135,038,083,813.65
  5. Step 5: Solve for x
    x = 135,038,083,813.65/424,234.27
  6. Step 6: Final answer
    x = 318,310.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.