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Finding the Fourth Proportional to 237,211.40, 355,817.10 and 79,423.40

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Solution

The fourth proportional to 237,211.40, 355,817.10 and 79,423.40 is: 119,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,211.40 : 355,817.10 = 79,423.40 : x
  2. Step 2: Convert to fraction form
    237,211.40/355,817.10 = 79,423.40/x
  3. Step 3: Cross multiply
    237,211.40x = 355,817.10 × 79,423.40
  4. Step 4: Simplify right side
    237,211.40x = 28,260,203,860.14
  5. Step 5: Solve for x
    x = 28,260,203,860.14/237,211.40
  6. Step 6: Final answer
    x = 119,135.10

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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.