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Finding the Fourth Proportional to 305,844.78, 459,047.37 and 163,850.37

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Solution

The fourth proportional to 305,844.78, 459,047.37 and 163,850.37 is: 245,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,844.78 : 459,047.37 = 163,850.37 : x
  2. Step 2: Convert to fraction form
    305,844.78/459,047.37 = 163,850.37/x
  3. Step 3: Cross multiply
    305,844.78x = 459,047.37 × 163,850.37
  4. Step 4: Simplify right side
    305,844.78x = 75,215,081,422.03
  5. Step 5: Solve for x
    x = 75,215,081,422.03/305,844.78
  6. Step 6: Final answer
    x = 245,925.67

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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.