Home / 309,935.58-464,722.72-120,174.26

Finding the Fourth Proportional to 309,935.58, 464,722.72 and 120,174.26

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Solution

The fourth proportional to 309,935.58, 464,722.72 and 120,174.26 is: 180,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,935.58 : 464,722.72 = 120,174.26 : x
  2. Step 2: Convert to fraction form
    309,935.58/464,722.72 = 120,174.26/x
  3. Step 3: Cross multiply
    309,935.58x = 464,722.72 × 120,174.26
  4. Step 4: Simplify right side
    309,935.58x = 55,847,708,981.19
  5. Step 5: Solve for x
    x = 55,847,708,981.19/309,935.58
  6. Step 6: Final answer
    x = 180,191.34

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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.