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Finding the Fourth Proportional to 397,254.60, 595,881.90 and 210,630.60

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Solution

The fourth proportional to 397,254.60, 595,881.90 and 210,630.60 is: 315,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,254.60 : 595,881.90 = 210,630.60 : x
  2. Step 2: Convert to fraction form
    397,254.60/595,881.90 = 210,630.60/x
  3. Step 3: Cross multiply
    397,254.60x = 595,881.90 × 210,630.60
  4. Step 4: Simplify right side
    397,254.60x = 125,510,962,126.14
  5. Step 5: Solve for x
    x = 125,510,962,126.14/397,254.60
  6. Step 6: Final answer
    x = 315,945.90

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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.