Home / 305,344.08-458,279.64-211,915.44

Finding the Fourth Proportional to 305,344.08, 458,279.64 and 211,915.44

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Solution

The fourth proportional to 305,344.08, 458,279.64 and 211,915.44 is: 318,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,344.08 : 458,279.64 = 211,915.44 : x
  2. Step 2: Convert to fraction form
    305,344.08/458,279.64 = 211,915.44/x
  3. Step 3: Cross multiply
    305,344.08x = 458,279.64 × 211,915.44
  4. Step 4: Simplify right side
    305,344.08x = 97,116,531,553.64
  5. Step 5: Solve for x
    x = 97,116,531,553.64/305,344.08
  6. Step 6: Final answer
    x = 318,056.05

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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.