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Finding the Fourth Proportional to 276,512.60, 414,525.90 and 187,477.40

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Solution

The fourth proportional to 276,512.60, 414,525.90 and 187,477.40 is: 281,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,512.60 : 414,525.90 = 187,477.40 : x
  2. Step 2: Convert to fraction form
    276,512.60/414,525.90 = 187,477.40/x
  3. Step 3: Cross multiply
    276,512.60x = 414,525.90 × 187,477.40
  4. Step 4: Simplify right side
    276,512.60x = 77,714,237,964.66
  5. Step 5: Solve for x
    x = 77,714,237,964.66/276,512.60
  6. Step 6: Final answer
    x = 281,051.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.