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Finding the Fourth Proportional to 247,814.37, 371,735.70 and 70,307.43

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Solution

The fourth proportional to 247,814.37, 371,735.70 and 70,307.43 is: 105,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,814.37 : 371,735.70 = 70,307.43 : x
  2. Step 2: Convert to fraction form
    247,814.37/371,735.70 = 70,307.43/x
  3. Step 3: Cross multiply
    247,814.37x = 371,735.70 × 70,307.43
  4. Step 4: Simplify right side
    247,814.37x = 26,135,781,706.25
  5. Step 5: Solve for x
    x = 26,135,781,706.25/247,814.37
  6. Step 6: Final answer
    x = 105,465.16

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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.