Home / 445,815.02-615,224.63-254,832.51

Finding the Fourth Proportional to 445,815.02, 615,224.63 and 254,832.51

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Solution

The fourth proportional to 445,815.02, 615,224.63 and 254,832.51 is: 351,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,815.02 : 615,224.63 = 254,832.51 : x
  2. Step 2: Convert to fraction form
    445,815.02/615,224.63 = 254,832.51/x
  3. Step 3: Cross multiply
    445,815.02x = 615,224.63 × 254,832.51
  4. Step 4: Simplify right side
    445,815.02x = 156,779,239,620.90
  5. Step 5: Solve for x
    x = 156,779,239,620.90/445,815.02
  6. Step 6: Final answer
    x = 351,668.81

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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.