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Finding the Fourth Proportional to 345,418.32, 476,594.28 and 194,515.28

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Solution

The fourth proportional to 345,418.32, 476,594.28 and 194,515.28 is: 268,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,418.32 : 476,594.28 = 194,515.28 : x
  2. Step 2: Convert to fraction form
    345,418.32/476,594.28 = 194,515.28/x
  3. Step 3: Cross multiply
    345,418.32x = 476,594.28 × 194,515.28
  4. Step 4: Simplify right side
    345,418.32x = 92,704,869,820.60
  5. Step 5: Solve for x
    x = 92,704,869,820.60/345,418.32
  6. Step 6: Final answer
    x = 268,384.35

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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.