Home / 315,556.30-473,331.03-252,078.62

Finding the Fourth Proportional to 315,556.30, 473,331.03 and 252,078.62

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Solution

The fourth proportional to 315,556.30, 473,331.03 and 252,078.62 is: 378,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,556.30 : 473,331.03 = 252,078.62 : x
  2. Step 2: Convert to fraction form
    315,556.30/473,331.03 = 252,078.62/x
  3. Step 3: Cross multiply
    315,556.30x = 473,331.03 × 252,078.62
  4. Step 4: Simplify right side
    315,556.30x = 119,316,632,845.58
  5. Step 5: Solve for x
    x = 119,316,632,845.58/315,556.30
  6. Step 6: Final answer
    x = 378,115.20

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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.