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Finding the Fourth Proportional to 301,350.04, 451,861.02 and 90,960.64

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Solution

The fourth proportional to 301,350.04, 451,861.02 and 90,960.64 is: 136,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,350.04 : 451,861.02 = 90,960.64 : x
  2. Step 2: Convert to fraction form
    301,350.04/451,861.02 = 90,960.64/x
  3. Step 3: Cross multiply
    301,350.04x = 451,861.02 × 90,960.64
  4. Step 4: Simplify right side
    301,350.04x = 41,101,567,570.25
  5. Step 5: Solve for x
    x = 41,101,567,570.25/301,350.04
  6. Step 6: Final answer
    x = 136,391.45

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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.