Home / 422,984.45-634,329.10-170,199.45

Finding the Fourth Proportional to 422,984.45, 634,329.10 and 170,199.45

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Solution

The fourth proportional to 422,984.45, 634,329.10 and 170,199.45 is: 255,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,984.45 : 634,329.10 = 170,199.45 : x
  2. Step 2: Convert to fraction form
    422,984.45/634,329.10 = 170,199.45/x
  3. Step 3: Cross multiply
    422,984.45x = 634,329.10 × 170,199.45
  4. Step 4: Simplify right side
    422,984.45x = 107,962,463,088.00
  5. Step 5: Solve for x
    x = 107,962,463,088.00/422,984.45
  6. Step 6: Final answer
    x = 255,239.79

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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.