Finding the Fourth Proportional to 476,106.48, 714,163.91 and 121,120.88
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Solution
The fourth proportional to 476,106.48, 714,163.91 and 121,120.88 is: 181,682.38
Step by Step Solution
- Step 1: Write the proportion equation
476,106.48 : 714,163.91 = 121,120.88 : x - Step 2: Convert to fraction form
476,106.48/714,163.91 = 121,120.88/x - Step 3: Cross multiply
476,106.48x = 714,163.91 × 121,120.88 - Step 4: Simplify right side
476,106.48x = 86,500,157,067.02 - Step 5: Solve for x
x = 86,500,157,067.02/476,106.48 - Step 6: Final answer
x = 181,682.38
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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.