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Finding the Fourth Proportional to 251,085.60, 376,628.40 and 230,090.40

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Solution

The fourth proportional to 251,085.60, 376,628.40 and 230,090.40 is: 345,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,085.60 : 376,628.40 = 230,090.40 : x
  2. Step 2: Convert to fraction form
    251,085.60/376,628.40 = 230,090.40/x
  3. Step 3: Cross multiply
    251,085.60x = 376,628.40 × 230,090.40
  4. Step 4: Simplify right side
    251,085.60x = 86,658,579,207.36
  5. Step 5: Solve for x
    x = 86,658,579,207.36/251,085.60
  6. Step 6: Final answer
    x = 345,135.60

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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.