Finding the Fourth Proportional to 286,367.01, 395,173.68 and 171,708.94
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Solution
The fourth proportional to 286,367.01, 395,173.68 and 171,708.94 is: 236,950.66
Step by Step Solution
- Step 1: Write the proportion equation
286,367.01 : 395,173.68 = 171,708.94 : x - Step 2: Convert to fraction form
286,367.01/395,173.68 = 171,708.94/x - Step 3: Cross multiply
286,367.01x = 395,173.68 × 171,708.94 - Step 4: Simplify right side
286,367.01x = 67,854,851,335.91 - Step 5: Solve for x
x = 67,854,851,335.91/286,367.01 - Step 6: Final answer
x = 236,950.66
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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.