Home / 297,021.60-445,273.20-265,528.80

Finding the Fourth Proportional to 297,021.60, 445,273.20 and 265,528.80

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Solution

The fourth proportional to 297,021.60, 445,273.20 and 265,528.80 is: 398,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,021.60 : 445,273.20 = 265,528.80 : x
  2. Step 2: Convert to fraction form
    297,021.60/445,273.20 = 265,528.80/x
  3. Step 3: Cross multiply
    297,021.60x = 445,273.20 × 265,528.80
  4. Step 4: Simplify right side
    297,021.60x = 118,232,858,468.16
  5. Step 5: Solve for x
    x = 118,232,858,468.16/297,021.60
  6. Step 6: Final answer
    x = 398,061.48

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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.