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Finding the Fourth Proportional to 275,518.58, 380,181.21 and 152,994.30

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Solution

The fourth proportional to 275,518.58, 380,181.21 and 152,994.30 is: 211,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,518.58 : 380,181.21 = 152,994.30 : x
  2. Step 2: Convert to fraction form
    275,518.58/380,181.21 = 152,994.30/x
  3. Step 3: Cross multiply
    275,518.58x = 380,181.21 × 152,994.30
  4. Step 4: Simplify right side
    275,518.58x = 58,165,557,523.37
  5. Step 5: Solve for x
    x = 58,165,557,523.37/275,518.58
  6. Step 6: Final answer
    x = 211,113.01

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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.