Home / 350,985.75-484,360.37-189,840.81

Finding the Fourth Proportional to 350,985.75, 484,360.37 and 189,840.81

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Solution

The fourth proportional to 350,985.75, 484,360.37 and 189,840.81 is: 261,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,985.75 : 484,360.37 = 189,840.81 : x
  2. Step 2: Convert to fraction form
    350,985.75/484,360.37 = 189,840.81/x
  3. Step 3: Cross multiply
    350,985.75x = 484,360.37 × 189,840.81
  4. Step 4: Simplify right side
    350,985.75x = 91,951,364,972.70
  5. Step 5: Solve for x
    x = 91,951,364,972.70/350,985.75
  6. Step 6: Final answer
    x = 261,980.34

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1.5x scale

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.