Home / 355,518.24-490,615.44-194,370.72

Finding the Fourth Proportional to 355,518.24, 490,615.44 and 194,370.72

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Solution

The fourth proportional to 355,518.24, 490,615.44 and 194,370.72 is: 268,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,518.24 : 490,615.44 = 194,370.72 : x
  2. Step 2: Convert to fraction form
    355,518.24/490,615.44 = 194,370.72/x
  3. Step 3: Cross multiply
    355,518.24x = 490,615.44 × 194,370.72
  4. Step 4: Simplify right side
    355,518.24x = 95,361,276,315.92
  5. Step 5: Solve for x
    x = 95,361,276,315.92/355,518.24
  6. Step 6: Final answer
    x = 268,231.74

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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.