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Finding the Fourth Proportional to 247,412, 370,626.48 and 122,371.36

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Solution

The fourth proportional to 247,412, 370,626.48 and 122,371.36 is: 183,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,412 : 370,626.48 = 122,371.36 : x
  2. Step 2: Convert to fraction form
    247,412/370,626.48 = 122,371.36/x
  3. Step 3: Cross multiply
    247,412x = 370,626.48 × 122,371.36
  4. Step 4: Simplify right side
    247,412x = 45,354,066,409.61
  5. Step 5: Solve for x
    x = 45,354,066,409.61/247,412
  6. Step 6: Final answer
    x = 183,313.93

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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.