Finding the Fourth Proportional to 286,331.08, 394,677.30 and 194,421.64
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Solution
The fourth proportional to 286,331.08, 394,677.30 and 194,421.64 is: 267,989.80
Step by Step Solution
- Step 1: Write the proportion equation
286,331.08 : 394,677.30 = 194,421.64 : x - Step 2: Convert to fraction form
286,331.08/394,677.30 = 194,421.64/x - Step 3: Cross multiply
286,331.08x = 394,677.30 × 194,421.64 - Step 4: Simplify right side
286,331.08x = 76,733,807,936.77 - Step 5: Solve for x
x = 76,733,807,936.77/286,331.08 - Step 6: Final answer
x = 267,989.80
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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.