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Finding the Fourth Proportional to 281,675.80, 422,513.70 and 169,701.40

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Solution

The fourth proportional to 281,675.80, 422,513.70 and 169,701.40 is: 254,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,675.80 : 422,513.70 = 169,701.40 : x
  2. Step 2: Convert to fraction form
    281,675.80/422,513.70 = 169,701.40/x
  3. Step 3: Cross multiply
    281,675.80x = 422,513.70 × 169,701.40
  4. Step 4: Simplify right side
    281,675.80x = 71,701,166,409.18
  5. Step 5: Solve for x
    x = 71,701,166,409.18/281,675.80
  6. Step 6: Final answer
    x = 254,552.10

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1.5x scale

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.