Home / 304,845.37-420,891.93-190,298.41

Finding the Fourth Proportional to 304,845.37, 420,891.93 and 190,298.41

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Solution

The fourth proportional to 304,845.37, 420,891.93 and 190,298.41 is: 262,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,845.37 : 420,891.93 = 190,298.41 : x
  2. Step 2: Convert to fraction form
    304,845.37/420,891.93 = 190,298.41/x
  3. Step 3: Cross multiply
    304,845.37x = 420,891.93 × 190,298.41
  4. Step 4: Simplify right side
    304,845.37x = 80,095,065,060.83
  5. Step 5: Solve for x
    x = 80,095,065,060.83/304,845.37
  6. Step 6: Final answer
    x = 262,739.98

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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.