Home / 449,140.28-619,804.32-245,195.24

Finding the Fourth Proportional to 449,140.28, 619,804.32 and 245,195.24

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Solution

The fourth proportional to 449,140.28, 619,804.32 and 245,195.24 is: 338,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,140.28 : 619,804.32 = 245,195.24 : x
  2. Step 2: Convert to fraction form
    449,140.28/619,804.32 = 245,195.24/x
  3. Step 3: Cross multiply
    449,140.28x = 619,804.32 × 245,195.24
  4. Step 4: Simplify right side
    449,140.28x = 151,973,068,995.44
  5. Step 5: Solve for x
    x = 151,973,068,995.44/449,140.28
  6. Step 6: Final answer
    x = 338,364.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.