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Finding the Fourth Proportional to 297,368.46, 446,048.84 and 72,730.76

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Solution

The fourth proportional to 297,368.46, 446,048.84 and 72,730.76 is: 109,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,368.46 : 446,048.84 = 72,730.76 : x
  2. Step 2: Convert to fraction form
    297,368.46/446,048.84 = 72,730.76/x
  3. Step 3: Cross multiply
    297,368.46x = 446,048.84 × 72,730.76
  4. Step 4: Simplify right side
    297,368.46x = 32,441,469,081.90
  5. Step 5: Solve for x
    x = 32,441,469,081.90/297,368.46
  6. Step 6: Final answer
    x = 109,095.19

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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.