Home / 306,041.07-422,309.77-170,066.41

Finding the Fourth Proportional to 306,041.07, 422,309.77 and 170,066.41

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Solution

The fourth proportional to 306,041.07, 422,309.77 and 170,066.41 is: 234,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,041.07 : 422,309.77 = 170,066.41 : x
  2. Step 2: Convert to fraction form
    306,041.07/422,309.77 = 170,066.41/x
  3. Step 3: Cross multiply
    306,041.07x = 422,309.77 × 170,066.41
  4. Step 4: Simplify right side
    306,041.07x = 71,820,706,491.83
  5. Step 5: Solve for x
    x = 71,820,706,491.83/306,041.07
  6. Step 6: Final answer
    x = 234,676.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.