Home / 272,895.73-407,424.80-208,516.95

Finding the Fourth Proportional to 272,895.73, 407,424.80 and 208,516.95

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Solution

The fourth proportional to 272,895.73, 407,424.80 and 208,516.95 is: 311,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,895.73 : 407,424.80 = 208,516.95 : x
  2. Step 2: Convert to fraction form
    272,895.73/407,424.80 = 208,516.95/x
  3. Step 3: Cross multiply
    272,895.73x = 407,424.80 × 208,516.95
  4. Step 4: Simplify right side
    272,895.73x = 84,954,976,650.36
  5. Step 5: Solve for x
    x = 84,954,976,650.36/272,895.73
  6. Step 6: Final answer
    x = 311,309.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.