Home / 455,089.48-682,938.93-188,850.25

Finding the Fourth Proportional to 455,089.48, 682,938.93 and 188,850.25

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Solution

The fourth proportional to 455,089.48, 682,938.93 and 188,850.25 is: 283,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,089.48 : 682,938.93 = 188,850.25 : x
  2. Step 2: Convert to fraction form
    455,089.48/682,938.93 = 188,850.25/x
  3. Step 3: Cross multiply
    455,089.48x = 682,938.93 × 188,850.25
  4. Step 4: Simplify right side
    455,089.48x = 128,973,187,665.23
  5. Step 5: Solve for x
    x = 128,973,187,665.23/455,089.48
  6. Step 6: Final answer
    x = 283,401.82

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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.