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Finding the Fourth Proportional to 354,182.61, 488,783.41 and 201,218.01

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Solution

The fourth proportional to 354,182.61, 488,783.41 and 201,218.01 is: 277,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,182.61 : 488,783.41 = 201,218.01 : x
  2. Step 2: Convert to fraction form
    354,182.61/488,783.41 = 201,218.01/x
  3. Step 3: Cross multiply
    354,182.61x = 488,783.41 × 201,218.01
  4. Step 4: Simplify right side
    354,182.61x = 98,352,022,637.30
  5. Step 5: Solve for x
    x = 98,352,022,637.30/354,182.61
  6. Step 6: Final answer
    x = 277,687.33

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1.5x scale

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.