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Finding the Fourth Proportional to 275,710.08, 380,624.44 and 185,540.16

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Solution

The fourth proportional to 275,710.08, 380,624.44 and 185,540.16 is: 256,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,710.08 : 380,624.44 = 185,540.16 : x
  2. Step 2: Convert to fraction form
    275,710.08/380,624.44 = 185,540.16/x
  3. Step 3: Cross multiply
    275,710.08x = 380,624.44 × 185,540.16
  4. Step 4: Simplify right side
    275,710.08x = 70,621,119,497.51
  5. Step 5: Solve for x
    x = 70,621,119,497.51/275,710.08
  6. Step 6: Final answer
    x = 256,142.68

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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.