Home / 325,428.16-488,188.60-100,806.24

Finding the Fourth Proportional to 325,428.16, 488,188.60 and 100,806.24

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Solution

The fourth proportional to 325,428.16, 488,188.60 and 100,806.24 is: 151,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,428.16 : 488,188.60 = 100,806.24 : x
  2. Step 2: Convert to fraction form
    325,428.16/488,188.60 = 100,806.24/x
  3. Step 3: Cross multiply
    325,428.16x = 488,188.60 × 100,806.24
  4. Step 4: Simplify right side
    325,428.16x = 49,212,457,176.86
  5. Step 5: Solve for x
    x = 49,212,457,176.86/325,428.16
  6. Step 6: Final answer
    x = 151,223.72

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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.