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Finding the Fourth Proportional to 405,094.86, 607,634.46 and 120,977.91

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Solution

The fourth proportional to 405,094.86, 607,634.46 and 120,977.91 is: 181,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,094.86 : 607,634.46 = 120,977.91 : x
  2. Step 2: Convert to fraction form
    405,094.86/607,634.46 = 120,977.91/x
  3. Step 3: Cross multiply
    405,094.86x = 607,634.46 × 120,977.91
  4. Step 4: Simplify right side
    405,094.86x = 73,510,347,014.78
  5. Step 5: Solve for x
    x = 73,510,347,014.78/405,094.86
  6. Step 6: Final answer
    x = 181,464.53

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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.