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Finding the Fourth Proportional to 298,048.49, 411,309.66 and 162,083.73

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Solution

The fourth proportional to 298,048.49, 411,309.66 and 162,083.73 is: 223,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,048.49 : 411,309.66 = 162,083.73 : x
  2. Step 2: Convert to fraction form
    298,048.49/411,309.66 = 162,083.73/x
  3. Step 3: Cross multiply
    298,048.49x = 411,309.66 × 162,083.73
  4. Step 4: Simplify right side
    298,048.49x = 66,666,603,877.83
  5. Step 5: Solve for x
    x = 66,666,603,877.83/298,048.49
  6. Step 6: Final answer
    x = 223,677.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.