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Finding the Fourth Proportional to 354,262.43, 488,864.48 and 201,280.41

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Solution

The fourth proportional to 354,262.43, 488,864.48 and 201,280.41 is: 277,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,262.43 : 488,864.48 = 201,280.41 : x
  2. Step 2: Convert to fraction form
    354,262.43/488,864.48 = 201,280.41/x
  3. Step 3: Cross multiply
    354,262.43x = 488,864.48 × 201,280.41
  4. Step 4: Simplify right side
    354,262.43x = 98,398,843,094.64
  5. Step 5: Solve for x
    x = 98,398,843,094.64/354,262.43
  6. Step 6: Final answer
    x = 277,756.93

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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.