Home / 405,137.03-559,205.60-267,416.49

Finding the Fourth Proportional to 405,137.03, 559,205.60 and 267,416.49

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Solution

The fourth proportional to 405,137.03, 559,205.60 and 267,416.49 is: 369,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,137.03 : 559,205.60 = 267,416.49 : x
  2. Step 2: Convert to fraction form
    405,137.03/559,205.60 = 267,416.49/x
  3. Step 3: Cross multiply
    405,137.03x = 559,205.60 × 267,416.49
  4. Step 4: Simplify right side
    405,137.03x = 149,540,795,944.32
  5. Step 5: Solve for x
    x = 149,540,795,944.32/405,137.03
  6. Step 6: Final answer
    x = 369,111.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.