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Finding the Fourth Proportional to 301,244.84, 451,862.94 and 73,543.40

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Solution

The fourth proportional to 301,244.84, 451,862.94 and 73,543.40 is: 110,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,244.84 : 451,862.94 = 73,543.40 : x
  2. Step 2: Convert to fraction form
    301,244.84/451,862.94 = 73,543.40/x
  3. Step 3: Cross multiply
    301,244.84x = 451,862.94 × 73,543.40
  4. Step 4: Simplify right side
    301,244.84x = 33,231,536,941.60
  5. Step 5: Solve for x
    x = 33,231,536,941.60/301,244.84
  6. Step 6: Final answer
    x = 110,314.05

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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.