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Finding the Fourth Proportional to 247,199.34, 341,133.02 and 139,790.46

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Solution

The fourth proportional to 247,199.34, 341,133.02 and 139,790.46 is: 192,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,199.34 : 341,133.02 = 139,790.46 : x
  2. Step 2: Convert to fraction form
    247,199.34/341,133.02 = 139,790.46/x
  3. Step 3: Cross multiply
    247,199.34x = 341,133.02 × 139,790.46
  4. Step 4: Simplify right side
    247,199.34x = 47,687,141,786.99
  5. Step 5: Solve for x
    x = 47,687,141,786.99/247,199.34
  6. Step 6: Final answer
    x = 192,909.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.