Home / 255,453.22-383,224.93-105,609.55

Finding the Fourth Proportional to 255,453.22, 383,224.93 and 105,609.55

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Solution

The fourth proportional to 255,453.22, 383,224.93 and 105,609.55 is: 158,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,453.22 : 383,224.93 = 105,609.55 : x
  2. Step 2: Convert to fraction form
    255,453.22/383,224.93 = 105,609.55/x
  3. Step 3: Cross multiply
    255,453.22x = 383,224.93 × 105,609.55
  4. Step 4: Simplify right side
    255,453.22x = 40,472,211,567.29
  5. Step 5: Solve for x
    x = 40,472,211,567.29/255,453.22
  6. Step 6: Final answer
    x = 158,432.97

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1.5x scale

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.