Home / 367,890.22-507,827.23-214,978.11

Finding the Fourth Proportional to 367,890.22, 507,827.23 and 214,978.11

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Solution

The fourth proportional to 367,890.22, 507,827.23 and 214,978.11 is: 296,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,890.22 : 507,827.23 = 214,978.11 : x
  2. Step 2: Convert to fraction form
    367,890.22/507,827.23 = 214,978.11/x
  3. Step 3: Cross multiply
    367,890.22x = 507,827.23 × 214,978.11
  4. Step 4: Simplify right side
    367,890.22x = 109,171,738,111.94
  5. Step 5: Solve for x
    x = 109,171,738,111.94/367,890.22
  6. Step 6: Final answer
    x = 296,750.86

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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.