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Finding the Fourth Proportional to 244,099.80, 366,368.40 and 210,857.40

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Solution

The fourth proportional to 244,099.80, 366,368.40 and 210,857.40 is: 316,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,099.80 : 366,368.40 = 210,857.40 : x
  2. Step 2: Convert to fraction form
    244,099.80/366,368.40 = 210,857.40/x
  3. Step 3: Cross multiply
    244,099.80x = 366,368.40 × 210,857.40
  4. Step 4: Simplify right side
    244,099.80x = 77,251,488,266.16
  5. Step 5: Solve for x
    x = 77,251,488,266.16/244,099.80
  6. Step 6: Final answer
    x = 316,475.02

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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.