Home / 219,849.69-330,328.13-139,924.41

Finding the Fourth Proportional to 219,849.69, 330,328.13 and 139,924.41

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Solution

The fourth proportional to 219,849.69, 330,328.13 and 139,924.41 is: 210,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,849.69 : 330,328.13 = 139,924.41 : x
  2. Step 2: Convert to fraction form
    219,849.69/330,328.13 = 139,924.41/x
  3. Step 3: Cross multiply
    219,849.69x = 330,328.13 × 139,924.41
  4. Step 4: Simplify right side
    219,849.69x = 46,220,968,616.40
  5. Step 5: Solve for x
    x = 46,220,968,616.40/219,849.69
  6. Step 6: Final answer
    x = 210,238.95

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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.