Home / 284,085.22-426,290.64-115,574.44

Finding the Fourth Proportional to 284,085.22, 426,290.64 and 115,574.44

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Solution

The fourth proportional to 284,085.22, 426,290.64 and 115,574.44 is: 173,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,085.22 : 426,290.64 = 115,574.44 : x
  2. Step 2: Convert to fraction form
    284,085.22/426,290.64 = 115,574.44/x
  3. Step 3: Cross multiply
    284,085.22x = 426,290.64 × 115,574.44
  4. Step 4: Simplify right side
    284,085.22x = 49,268,301,995.24
  5. Step 5: Solve for x
    x = 49,268,301,995.24/284,085.22
  6. Step 6: Final answer
    x = 173,427.90

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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.