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Finding the Fourth Proportional to 199,818.90, 299,471.38 and 94,405.50

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Solution

The fourth proportional to 199,818.90, 299,471.38 and 94,405.50 is: 141,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.90 : 299,471.38 = 94,405.50 : x
  2. Step 2: Convert to fraction form
    199,818.90/299,471.38 = 94,405.50/x
  3. Step 3: Cross multiply
    199,818.90x = 299,471.38 × 94,405.50
  4. Step 4: Simplify right side
    199,818.90x = 28,271,745,128.58
  5. Step 5: Solve for x
    x = 28,271,745,128.58/199,818.90
  6. Step 6: Final answer
    x = 141,486.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.