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Finding the Fourth Proportional to 212,999.82, 293,938.11 and 117,510.54

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Solution

The fourth proportional to 212,999.82, 293,938.11 and 117,510.54 is: 162,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,999.82 : 293,938.11 = 117,510.54 : x
  2. Step 2: Convert to fraction form
    212,999.82/293,938.11 = 117,510.54/x
  3. Step 3: Cross multiply
    212,999.82x = 293,938.11 × 117,510.54
  4. Step 4: Simplify right side
    212,999.82x = 34,540,826,032.68
  5. Step 5: Solve for x
    x = 34,540,826,032.68/212,999.82
  6. Step 6: Final answer
    x = 162,163.64

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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.