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Finding the Fourth Proportional to 297,303.30, 445,787.64 and 97,606.86

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Solution

The fourth proportional to 297,303.30, 445,787.64 and 97,606.86 is: 146,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,303.30 : 445,787.64 = 97,606.86 : x
  2. Step 2: Convert to fraction form
    297,303.30/445,787.64 = 97,606.86/x
  3. Step 3: Cross multiply
    297,303.30x = 445,787.64 × 97,606.86
  4. Step 4: Simplify right side
    297,303.30x = 43,511,931,767.21
  5. Step 5: Solve for x
    x = 43,511,931,767.21/297,303.30
  6. Step 6: Final answer
    x = 146,355.36

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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.