Home / 436,951.56-655,427.04-121,408.32

Finding the Fourth Proportional to 436,951.56, 655,427.04 and 121,408.32

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Solution

The fourth proportional to 436,951.56, 655,427.04 and 121,408.32 is: 182,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,951.56 : 655,427.04 = 121,408.32 : x
  2. Step 2: Convert to fraction form
    436,951.56/655,427.04 = 121,408.32/x
  3. Step 3: Cross multiply
    436,951.56x = 655,427.04 × 121,408.32
  4. Step 4: Simplify right side
    436,951.56x = 79,574,295,808.97
  5. Step 5: Solve for x
    x = 79,574,295,808.97/436,951.56
  6. Step 6: Final answer
    x = 182,112.40

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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.