Home / 372,129.14-513,551.76-213,183.86

Finding the Fourth Proportional to 372,129.14, 513,551.76 and 213,183.86

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Solution

The fourth proportional to 372,129.14, 513,551.76 and 213,183.86 is: 294,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,129.14 : 513,551.76 = 213,183.86 : x
  2. Step 2: Convert to fraction form
    372,129.14/513,551.76 = 213,183.86/x
  3. Step 3: Cross multiply
    372,129.14x = 513,551.76 × 213,183.86
  4. Step 4: Simplify right side
    372,129.14x = 109,480,946,506.59
  5. Step 5: Solve for x
    x = 109,480,946,506.59/372,129.14
  6. Step 6: Final answer
    x = 294,201.49

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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.