Home / 291,009.08-401,641.98-214,923.44

Finding the Fourth Proportional to 291,009.08, 401,641.98 and 214,923.44

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Solution

The fourth proportional to 291,009.08, 401,641.98 and 214,923.44 is: 296,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,009.08 : 401,641.98 = 214,923.44 : x
  2. Step 2: Convert to fraction form
    291,009.08/401,641.98 = 214,923.44/x
  3. Step 3: Cross multiply
    291,009.08x = 401,641.98 × 214,923.44
  4. Step 4: Simplify right side
    291,009.08x = 86,322,275,990.01
  5. Step 5: Solve for x
    x = 86,322,275,990.01/291,009.08
  6. Step 6: Final answer
    x = 296,630.87

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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.