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Finding the Fourth Proportional to 269,701.60, 404,885.20 and 169,861.60

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Solution

The fourth proportional to 269,701.60, 404,885.20 and 169,861.60 is: 255,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,701.60 : 404,885.20 = 169,861.60 : x
  2. Step 2: Convert to fraction form
    269,701.60/404,885.20 = 169,861.60/x
  3. Step 3: Cross multiply
    269,701.60x = 404,885.20 × 169,861.60
  4. Step 4: Simplify right side
    269,701.60x = 68,774,447,888.32
  5. Step 5: Solve for x
    x = 68,774,447,888.32/269,701.60
  6. Step 6: Final answer
    x = 255,002.00

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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.