Home / 383,669.31-575,669.79-205,968.81

Finding the Fourth Proportional to 383,669.31, 575,669.79 and 205,968.81

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Solution

The fourth proportional to 383,669.31, 575,669.79 and 205,968.81 is: 309,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,669.31 : 575,669.79 = 205,968.81 : x
  2. Step 2: Convert to fraction form
    383,669.31/575,669.79 = 205,968.81/x
  3. Step 3: Cross multiply
    383,669.31x = 575,669.79 × 205,968.81
  4. Step 4: Simplify right side
    383,669.31x = 118,570,021,599.25
  5. Step 5: Solve for x
    x = 118,570,021,599.25/383,669.31
  6. Step 6: Final answer
    x = 309,042.24

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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.