Finding the Fourth Proportional to 479,556.08, 661,745.48 and 307,169.94
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Solution
The fourth proportional to 479,556.08, 661,745.48 and 307,169.94 is: 423,867.67
Step by Step Solution
- Step 1: Write the proportion equation
479,556.08 : 661,745.48 = 307,169.94 : x - Step 2: Convert to fraction form
479,556.08/661,745.48 = 307,169.94/x - Step 3: Cross multiply
479,556.08x = 661,745.48 × 307,169.94 - Step 4: Simplify right side
479,556.08x = 203,268,319,386.87 - Step 5: Solve for x
x = 203,268,319,386.87/479,556.08 - Step 6: Final answer
x = 423,867.67
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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.