Home / 449,329.44-620,073.04-248,124.32

Finding the Fourth Proportional to 449,329.44, 620,073.04 and 248,124.32

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Solution

The fourth proportional to 449,329.44, 620,073.04 and 248,124.32 is: 342,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,329.44 : 620,073.04 = 248,124.32 : x
  2. Step 2: Convert to fraction form
    449,329.44/620,073.04 = 248,124.32/x
  3. Step 3: Cross multiply
    449,329.44x = 620,073.04 × 248,124.32
  4. Step 4: Simplify right side
    449,329.44x = 153,855,201,400.33
  5. Step 5: Solve for x
    x = 153,855,201,400.33/449,329.44
  6. Step 6: Final answer
    x = 342,410.69

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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.