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Finding the Fourth Proportional to 306,285.93, 422,684.85 and 168,470.69

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Solution

The fourth proportional to 306,285.93, 422,684.85 and 168,470.69 is: 232,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,285.93 : 422,684.85 = 168,470.69 : x
  2. Step 2: Convert to fraction form
    306,285.93/422,684.85 = 168,470.69/x
  3. Step 3: Cross multiply
    306,285.93x = 422,684.85 × 168,470.69
  4. Step 4: Simplify right side
    306,285.93x = 71,210,006,218.62
  5. Step 5: Solve for x
    x = 71,210,006,218.62/306,285.93
  6. Step 6: Final answer
    x = 232,495.19

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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.