Home / 383,090.07-528,688.18-211,008

Finding the Fourth Proportional to 383,090.07, 528,688.18 and 211,008

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Solution

The fourth proportional to 383,090.07, 528,688.18 and 211,008 is: 291,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,090.07 : 528,688.18 = 211,008 : x
  2. Step 2: Convert to fraction form
    383,090.07/528,688.18 = 211,008/x
  3. Step 3: Cross multiply
    383,090.07x = 528,688.18 × 211,008
  4. Step 4: Simplify right side
    383,090.07x = 111,557,435,485.44
  5. Step 5: Solve for x
    x = 111,557,435,485.44/383,090.07
  6. Step 6: Final answer
    x = 291,204.20

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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.