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Finding the Fourth Proportional to 256,992.04, 385,604.70 and 152,016.04

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Solution

The fourth proportional to 256,992.04, 385,604.70 and 152,016.04 is: 228,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,992.04 : 385,604.70 = 152,016.04 : x
  2. Step 2: Convert to fraction form
    256,992.04/385,604.70 = 152,016.04/x
  3. Step 3: Cross multiply
    256,992.04x = 385,604.70 × 152,016.04
  4. Step 4: Simplify right side
    256,992.04x = 58,618,099,499.39
  5. Step 5: Solve for x
    x = 58,618,099,499.39/256,992.04
  6. Step 6: Final answer
    x = 228,093.05

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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.