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Finding the Fourth Proportional to 247,313.88, 341,300.88 and 139,881.81

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Solution

The fourth proportional to 247,313.88, 341,300.88 and 139,881.81 is: 193,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,313.88 : 341,300.88 = 139,881.81 : x
  2. Step 2: Convert to fraction form
    247,313.88/341,300.88 = 139,881.81/x
  3. Step 3: Cross multiply
    247,313.88x = 341,300.88 × 139,881.81
  4. Step 4: Simplify right side
    247,313.88x = 47,741,784,848.99
  5. Step 5: Solve for x
    x = 47,741,784,848.99/247,313.88
  6. Step 6: Final answer
    x = 193,041.27

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Why These Related Problems?

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