Home / 256,015.35-384,072.33-98,231.50

Finding the Fourth Proportional to 256,015.35, 384,072.33 and 98,231.50

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Solution

The fourth proportional to 256,015.35, 384,072.33 and 98,231.50 is: 147,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,015.35 : 384,072.33 = 98,231.50 : x
  2. Step 2: Convert to fraction form
    256,015.35/384,072.33 = 98,231.50/x
  3. Step 3: Cross multiply
    256,015.35x = 384,072.33 × 98,231.50
  4. Step 4: Simplify right side
    256,015.35x = 37,728,001,932.85
  5. Step 5: Solve for x
    x = 37,728,001,932.85/256,015.35
  6. Step 6: Final answer
    x = 147,366.17

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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.