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Finding the Fourth Proportional to 281,852.62, 422,847.98 and 92,323.15

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Solution

The fourth proportional to 281,852.62, 422,847.98 and 92,323.15 is: 138,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,852.62 : 422,847.98 = 92,323.15 : x
  2. Step 2: Convert to fraction form
    281,852.62/422,847.98 = 92,323.15/x
  3. Step 3: Cross multiply
    281,852.62x = 422,847.98 × 92,323.15
  4. Step 4: Simplify right side
    281,852.62x = 39,038,656,312.21
  5. Step 5: Solve for x
    x = 39,038,656,312.21/281,852.62
  6. Step 6: Final answer
    x = 138,507.34

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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.