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Finding the Fourth Proportional to 437,173.45, 655,756.53 and 121,629.44

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Solution

The fourth proportional to 437,173.45, 655,756.53 and 121,629.44 is: 182,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,173.45 : 655,756.53 = 121,629.44 : x
  2. Step 2: Convert to fraction form
    437,173.45/655,756.53 = 121,629.44/x
  3. Step 3: Cross multiply
    437,173.45x = 655,756.53 × 121,629.44
  4. Step 4: Simplify right side
    437,173.45x = 79,759,300,703.52
  5. Step 5: Solve for x
    x = 79,759,300,703.52/437,173.45
  6. Step 6: Final answer
    x = 182,443.15

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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.