Home / 230,821.67-318,539.29-144,784.31

Finding the Fourth Proportional to 230,821.67, 318,539.29 and 144,784.31

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Solution

The fourth proportional to 230,821.67, 318,539.29 and 144,784.31 is: 199,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,821.67 : 318,539.29 = 144,784.31 : x
  2. Step 2: Convert to fraction form
    230,821.67/318,539.29 = 144,784.31/x
  3. Step 3: Cross multiply
    230,821.67x = 318,539.29 × 144,784.31
  4. Step 4: Simplify right side
    230,821.67x = 46,119,489,717.84
  5. Step 5: Solve for x
    x = 46,119,489,717.84/230,821.67
  6. Step 6: Final answer
    x = 199,805.72

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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.