Home / 509,986.24-765,083.04-177,588.16

Finding the Fourth Proportional to 509,986.24, 765,083.04 and 177,588.16

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Solution

The fourth proportional to 509,986.24, 765,083.04 and 177,588.16 is: 266,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,986.24 : 765,083.04 = 177,588.16 : x
  2. Step 2: Convert to fraction form
    509,986.24/765,083.04 = 177,588.16/x
  3. Step 3: Cross multiply
    509,986.24x = 765,083.04 × 177,588.16
  4. Step 4: Simplify right side
    509,986.24x = 135,869,689,320.81
  5. Step 5: Solve for x
    x = 135,869,689,320.81/509,986.24
  6. Step 6: Final answer
    x = 266,418.34

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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.