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Finding the Fourth Proportional to 215,802.84, 297,834.76 and 123,950.88

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Solution

The fourth proportional to 215,802.84, 297,834.76 and 123,950.88 is: 171,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,802.84 : 297,834.76 = 123,950.88 : x
  2. Step 2: Convert to fraction form
    215,802.84/297,834.76 = 123,950.88/x
  3. Step 3: Cross multiply
    215,802.84x = 297,834.76 × 123,950.88
  4. Step 4: Simplify right side
    215,802.84x = 36,916,880,596.59
  5. Step 5: Solve for x
    x = 36,916,880,596.59/215,802.84
  6. Step 6: Final answer
    x = 171,067.63

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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.