Home / 455,038.80-682,266.56-188,982.96

Finding the Fourth Proportional to 455,038.80, 682,266.56 and 188,982.96

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Solution

The fourth proportional to 455,038.80, 682,266.56 and 188,982.96 is: 283,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,038.80 : 682,266.56 = 188,982.96 : x
  2. Step 2: Convert to fraction form
    455,038.80/682,266.56 = 188,982.96/x
  3. Step 3: Cross multiply
    455,038.80x = 682,266.56 × 188,982.96
  4. Step 4: Simplify right side
    455,038.80x = 128,936,754,017.82
  5. Step 5: Solve for x
    x = 128,936,754,017.82/455,038.80
  6. Step 6: Final answer
    x = 283,353.32

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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.