Home / 455,100.23-682,954.84-188,860.74

Finding the Fourth Proportional to 455,100.23, 682,954.84 and 188,860.74

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Solution

The fourth proportional to 455,100.23, 682,954.84 and 188,860.74 is: 283,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,100.23 : 682,954.84 = 188,860.74 : x
  2. Step 2: Convert to fraction form
    455,100.23/682,954.84 = 188,860.74/x
  3. Step 3: Cross multiply
    455,100.23x = 682,954.84 × 188,860.74
  4. Step 4: Simplify right side
    455,100.23x = 128,983,356,064.79
  5. Step 5: Solve for x
    x = 128,983,356,064.79/455,100.23
  6. Step 6: Final answer
    x = 283,417.47

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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.