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Finding the Fourth Proportional to 645,580.25, 968,525.90 and 202,348.25

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Solution

The fourth proportional to 645,580.25, 968,525.90 and 202,348.25 is: 303,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,580.25 : 968,525.90 = 202,348.25 : x
  2. Step 2: Convert to fraction form
    645,580.25/968,525.90 = 202,348.25/x
  3. Step 3: Cross multiply
    645,580.25x = 968,525.90 × 202,348.25
  4. Step 4: Simplify right side
    645,580.25x = 195,979,520,944.68
  5. Step 5: Solve for x
    x = 195,979,520,944.68/645,580.25
  6. Step 6: Final answer
    x = 303,571.12

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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.