Home / 347,719.78-521,623.41-123,027.40

Finding the Fourth Proportional to 347,719.78, 521,623.41 and 123,027.40

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Solution

The fourth proportional to 347,719.78, 521,623.41 and 123,027.40 is: 184,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,719.78 : 521,623.41 = 123,027.40 : x
  2. Step 2: Convert to fraction form
    347,719.78/521,623.41 = 123,027.40/x
  3. Step 3: Cross multiply
    347,719.78x = 521,623.41 × 123,027.40
  4. Step 4: Simplify right side
    347,719.78x = 64,173,971,911.43
  5. Step 5: Solve for x
    x = 64,173,971,911.43/347,719.78
  6. Step 6: Final answer
    x = 184,556.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.