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Finding the Fourth Proportional to 297,093.40, 445,697.70 and 149,349.40

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Solution

The fourth proportional to 297,093.40, 445,697.70 and 149,349.40 is: 224,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,093.40 : 445,697.70 = 149,349.40 : x
  2. Step 2: Convert to fraction form
    297,093.40/445,697.70 = 149,349.40/x
  3. Step 3: Cross multiply
    297,093.40x = 445,697.70 × 149,349.40
  4. Step 4: Simplify right side
    297,093.40x = 66,564,684,076.38
  5. Step 5: Solve for x
    x = 66,564,684,076.38/297,093.40
  6. Step 6: Final answer
    x = 224,053.06

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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.