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Finding the Fourth Proportional to 275,661.64, 380,133.06 and 259,588.84

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Solution

The fourth proportional to 275,661.64, 380,133.06 and 259,588.84 is: 357,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,661.64 : 380,133.06 = 259,588.84 : x
  2. Step 2: Convert to fraction form
    275,661.64/380,133.06 = 259,588.84/x
  3. Step 3: Cross multiply
    275,661.64x = 380,133.06 × 259,588.84
  4. Step 4: Simplify right side
    275,661.64x = 98,678,300,091.05
  5. Step 5: Solve for x
    x = 98,678,300,091.05/275,661.64
  6. Step 6: Final answer
    x = 357,968.92

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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.