Home / 455,083.29-682,599.42-139,539.33

Finding the Fourth Proportional to 455,083.29, 682,599.42 and 139,539.33

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Solution

The fourth proportional to 455,083.29, 682,599.42 and 139,539.33 is: 209,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,083.29 : 682,599.42 = 139,539.33 : x
  2. Step 2: Convert to fraction form
    455,083.29/682,599.42 = 139,539.33/x
  3. Step 3: Cross multiply
    455,083.29x = 682,599.42 × 139,539.33
  4. Step 4: Simplify right side
    455,083.29x = 95,249,465,725.19
  5. Step 5: Solve for x
    x = 95,249,465,725.19/455,083.29
  6. Step 6: Final answer
    x = 209,301.17

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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.