Home / 449,687.30-620,567.19-245,739.51

Finding the Fourth Proportional to 449,687.30, 620,567.19 and 245,739.51

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Solution

The fourth proportional to 449,687.30, 620,567.19 and 245,739.51 is: 339,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,687.30 : 620,567.19 = 245,739.51 : x
  2. Step 2: Convert to fraction form
    449,687.30/620,567.19 = 245,739.51/x
  3. Step 3: Cross multiply
    449,687.30x = 620,567.19 × 245,739.51
  4. Step 4: Simplify right side
    449,687.30x = 152,497,877,192.68
  5. Step 5: Solve for x
    x = 152,497,877,192.68/449,687.30
  6. Step 6: Final answer
    x = 339,119.83

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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.