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Finding the Fourth Proportional to 305,992.26, 422,248.88 and 176,920.98

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Solution

The fourth proportional to 305,992.26, 422,248.88 and 176,920.98 is: 244,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,992.26 : 422,248.88 = 176,920.98 : x
  2. Step 2: Convert to fraction form
    305,992.26/422,248.88 = 176,920.98/x
  3. Step 3: Cross multiply
    305,992.26x = 422,248.88 × 176,920.98
  4. Step 4: Simplify right side
    305,992.26x = 74,704,685,653.50
  5. Step 5: Solve for x
    x = 74,704,685,653.50/305,992.26
  6. Step 6: Final answer
    x = 244,139.13

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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.