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Finding the Fourth Proportional to 297,361.54, 446,038.45 and 72,723.93

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Solution

The fourth proportional to 297,361.54, 446,038.45 and 72,723.93 is: 109,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,361.54 : 446,038.45 = 72,723.93 : x
  2. Step 2: Convert to fraction form
    297,361.54/446,038.45 = 72,723.93/x
  3. Step 3: Cross multiply
    297,361.54x = 446,038.45 × 72,723.93
  4. Step 4: Simplify right side
    297,361.54x = 32,437,669,015.11
  5. Step 5: Solve for x
    x = 32,437,669,015.11/297,361.54
  6. Step 6: Final answer
    x = 109,084.95

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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.