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Finding the Fourth Proportional to 288,380.08, 395,074.06 and 277,598.44

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Solution

The fourth proportional to 288,380.08, 395,074.06 and 277,598.44 is: 380,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,380.08 : 395,074.06 = 277,598.44 : x
  2. Step 2: Convert to fraction form
    288,380.08/395,074.06 = 277,598.44/x
  3. Step 3: Cross multiply
    288,380.08x = 395,074.06 × 277,598.44
  4. Step 4: Simplify right side
    288,380.08x = 109,671,942,740.47
  5. Step 5: Solve for x
    x = 109,671,942,740.47/288,380.08
  6. Step 6: Final answer
    x = 380,303.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.