Finding the Fourth Proportional to 171,565.30, 236,703.36 and 103,556.44
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Solution
The fourth proportional to 171,565.30, 236,703.36 and 103,556.44 is: 142,873.63
Step by Step Solution
- Step 1: Write the proportion equation
171,565.30 : 236,703.36 = 103,556.44 : x - Step 2: Convert to fraction form
171,565.30/236,703.36 = 103,556.44/x - Step 3: Cross multiply
171,565.30x = 236,703.36 × 103,556.44 - Step 4: Simplify right side
171,565.30x = 24,512,157,297.64 - Step 5: Solve for x
x = 24,512,157,297.64/171,565.30 - Step 6: Final answer
x = 142,873.63
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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.