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Finding the Fourth Proportional to 362,480.56, 543,945.38 and 210,749.05

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Solution

The fourth proportional to 362,480.56, 543,945.38 and 210,749.05 is: 316,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,480.56 : 543,945.38 = 210,749.05 : x
  2. Step 2: Convert to fraction form
    362,480.56/543,945.38 = 210,749.05/x
  3. Step 3: Cross multiply
    362,480.56x = 543,945.38 × 210,749.05
  4. Step 4: Simplify right side
    362,480.56x = 114,635,971,033.14
  5. Step 5: Solve for x
    x = 114,635,971,033.14/362,480.56
  6. Step 6: Final answer
    x = 316,254.12

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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.