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Finding the Fourth Proportional to 301,004.80, 451,492.80 and 101,305.60

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Solution

The fourth proportional to 301,004.80, 451,492.80 and 101,305.60 is: 151,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,004.80 : 451,492.80 = 101,305.60 : x
  2. Step 2: Convert to fraction form
    301,004.80/451,492.80 = 101,305.60/x
  3. Step 3: Cross multiply
    301,004.80x = 451,492.80 × 101,305.60
  4. Step 4: Simplify right side
    301,004.80x = 45,738,748,999.68
  5. Step 5: Solve for x
    x = 45,738,748,999.68/301,004.80
  6. Step 6: Final answer
    x = 151,953.55

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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.