Home / 296,923.10-445,093.05-265,430.30

Finding the Fourth Proportional to 296,923.10, 445,093.05 and 265,430.30

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Solution

The fourth proportional to 296,923.10, 445,093.05 and 265,430.30 is: 397,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,923.10 : 445,093.05 = 265,430.30 : x
  2. Step 2: Convert to fraction form
    296,923.10/445,093.05 = 265,430.30/x
  3. Step 3: Cross multiply
    296,923.10x = 445,093.05 × 265,430.30
  4. Step 4: Simplify right side
    296,923.10x = 118,141,181,789.42
  5. Step 5: Solve for x
    x = 118,141,181,789.42/296,923.10
  6. Step 6: Final answer
    x = 397,884.78

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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.