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Finding the Fourth Proportional to 383,661.36, 529,786.98 and 240,667.20

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Solution

The fourth proportional to 383,661.36, 529,786.98 and 240,667.20 is: 332,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,661.36 : 529,786.98 = 240,667.20 : x
  2. Step 2: Convert to fraction form
    383,661.36/529,786.98 = 240,667.20/x
  3. Step 3: Cross multiply
    383,661.36x = 529,786.98 × 240,667.20
  4. Step 4: Simplify right side
    383,661.36x = 127,502,349,073.06
  5. Step 5: Solve for x
    x = 127,502,349,073.06/383,661.36
  6. Step 6: Final answer
    x = 332,330.44

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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.