Home / 455,038.10-682,265.55-188,982.26

Finding the Fourth Proportional to 455,038.10, 682,265.55 and 188,982.26

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Solution

The fourth proportional to 455,038.10, 682,265.55 and 188,982.26 is: 283,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,038.10 : 682,265.55 = 188,982.26 : x
  2. Step 2: Convert to fraction form
    455,038.10/682,265.55 = 188,982.26/x
  3. Step 3: Cross multiply
    455,038.10x = 682,265.55 × 188,982.26
  4. Step 4: Simplify right side
    455,038.10x = 128,936,087,264.81
  5. Step 5: Solve for x
    x = 128,936,087,264.81/455,038.10
  6. Step 6: Final answer
    x = 283,352.29

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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.