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Finding the Fourth Proportional to 425,233.60, 637,850.40 and 236,276.80

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Solution

The fourth proportional to 425,233.60, 637,850.40 and 236,276.80 is: 354,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,233.60 : 637,850.40 = 236,276.80 : x
  2. Step 2: Convert to fraction form
    425,233.60/637,850.40 = 236,276.80/x
  3. Step 3: Cross multiply
    425,233.60x = 637,850.40 × 236,276.80
  4. Step 4: Simplify right side
    425,233.60x = 150,709,251,390.72
  5. Step 5: Solve for x
    x = 150,709,251,390.72/425,233.60
  6. Step 6: Final answer
    x = 354,415.20

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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.