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Finding the Fourth Proportional to 297,002.70, 445,504.05 and 163,814.40

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Solution

The fourth proportional to 297,002.70, 445,504.05 and 163,814.40 is: 245,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,002.70 : 445,504.05 = 163,814.40 : x
  2. Step 2: Convert to fraction form
    297,002.70/445,504.05 = 163,814.40/x
  3. Step 3: Cross multiply
    297,002.70x = 445,504.05 × 163,814.40
  4. Step 4: Simplify right side
    297,002.70x = 72,979,978,648.32
  5. Step 5: Solve for x
    x = 72,979,978,648.32/297,002.70
  6. Step 6: Final answer
    x = 245,721.60

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1.5x scale

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.