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Finding the Fourth Proportional to 266,684.84, 368,025.04 and 145,826.22

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Solution

The fourth proportional to 266,684.84, 368,025.04 and 145,826.22 is: 201,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,684.84 : 368,025.04 = 145,826.22 : x
  2. Step 2: Convert to fraction form
    266,684.84/368,025.04 = 145,826.22/x
  3. Step 3: Cross multiply
    266,684.84x = 368,025.04 × 145,826.22
  4. Step 4: Simplify right side
    266,684.84x = 53,667,700,448.55
  5. Step 5: Solve for x
    x = 53,667,700,448.55/266,684.84
  6. Step 6: Final answer
    x = 201,240.16

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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.