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Finding the Fourth Proportional to 297,003.40, 445,796.70 and 147,412.60

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Solution

The fourth proportional to 297,003.40, 445,796.70 and 147,412.60 is: 221,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,003.40 : 445,796.70 = 147,412.60 : x
  2. Step 2: Convert to fraction form
    297,003.40/445,796.70 = 147,412.60/x
  3. Step 3: Cross multiply
    297,003.40x = 445,796.70 × 147,412.60
  4. Step 4: Simplify right side
    297,003.40x = 65,716,050,618.42
  5. Step 5: Solve for x
    x = 65,716,050,618.42/297,003.40
  6. Step 6: Final answer
    x = 221,263.63

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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.