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Finding the Fourth Proportional to 437,090.00, 655,462.62 and 212,383.96

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Solution

The fourth proportional to 437,090.00, 655,462.62 and 212,383.96 is: 318,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,090.00 : 655,462.62 = 212,383.96 : x
  2. Step 2: Convert to fraction form
    437,090.00/655,462.62 = 212,383.96/x
  3. Step 3: Cross multiply
    437,090.00x = 655,462.62 × 212,383.96
  4. Step 4: Simplify right side
    437,090.00x = 139,209,745,228.92
  5. Step 5: Solve for x
    x = 139,209,745,228.92/437,090.00
  6. Step 6: Final answer
    x = 318,492.18

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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.