Home / 320,968.13-481,457.67-121,382.51

Finding the Fourth Proportional to 320,968.13, 481,457.67 and 121,382.51

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Solution

The fourth proportional to 320,968.13, 481,457.67 and 121,382.51 is: 182,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,968.13 : 481,457.67 = 121,382.51 : x
  2. Step 2: Convert to fraction form
    320,968.13/481,457.67 = 121,382.51/x
  3. Step 3: Cross multiply
    320,968.13x = 481,457.67 × 121,382.51
  4. Step 4: Simplify right side
    320,968.13x = 58,440,540,443.35
  5. Step 5: Solve for x
    x = 58,440,540,443.35/320,968.13
  6. Step 6: Final answer
    x = 182,075.84

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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.