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Finding the Fourth Proportional to 330,279.84, 455,925.36 and 222,995.04

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Solution

The fourth proportional to 330,279.84, 455,925.36 and 222,995.04 is: 307,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,279.84 : 455,925.36 = 222,995.04 : x
  2. Step 2: Convert to fraction form
    330,279.84/455,925.36 = 222,995.04/x
  3. Step 3: Cross multiply
    330,279.84x = 455,925.36 × 222,995.04
  4. Step 4: Simplify right side
    330,279.84x = 101,669,093,890.21
  5. Step 5: Solve for x
    x = 101,669,093,890.21/330,279.84
  6. Step 6: Final answer
    x = 307,827.13

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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.