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Finding the Fourth Proportional to 189,846.60, 284,748.30 and 49,619.40

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Solution

The fourth proportional to 189,846.60, 284,748.30 and 49,619.40 is: 74,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846.60 : 284,748.30 = 49,619.40 : x
  2. Step 2: Convert to fraction form
    189,846.60/284,748.30 = 49,619.40/x
  3. Step 3: Cross multiply
    189,846.60x = 284,748.30 × 49,619.40
  4. Step 4: Simplify right side
    189,846.60x = 14,129,039,797.02
  5. Step 5: Solve for x
    x = 14,129,039,797.02/189,846.60
  6. Step 6: Final answer
    x = 74,423.45

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