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Finding the Fourth Proportional to 362,653.19, 500,451.51 and 201,504.09

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Solution

The fourth proportional to 362,653.19, 500,451.51 and 201,504.09 is: 278,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,653.19 : 500,451.51 = 201,504.09 : x
  2. Step 2: Convert to fraction form
    362,653.19/500,451.51 = 201,504.09/x
  3. Step 3: Cross multiply
    362,653.19x = 500,451.51 × 201,504.09
  4. Step 4: Simplify right side
    362,653.19x = 100,843,026,111.68
  5. Step 5: Solve for x
    x = 100,843,026,111.68/362,653.19
  6. Step 6: Final answer
    x = 278,070.15

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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.