Home / 454,810.69-682,248.84-139,226.59

Finding the Fourth Proportional to 454,810.69, 682,248.84 and 139,226.59

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Solution

The fourth proportional to 454,810.69, 682,248.84 and 139,226.59 is: 208,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,810.69 : 682,248.84 = 139,226.59 : x
  2. Step 2: Convert to fraction form
    454,810.69/682,248.84 = 139,226.59/x
  3. Step 3: Cross multiply
    454,810.69x = 682,248.84 × 139,226.59
  4. Step 4: Simplify right side
    454,810.69x = 94,987,179,524.66
  5. Step 5: Solve for x
    x = 94,987,179,524.66/454,810.69
  6. Step 6: Final answer
    x = 208,849.93

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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.