Finding the Fourth Proportional to 236,796.21, 326,779.92 and 129,368.00
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Solution
The fourth proportional to 236,796.21, 326,779.92 and 129,368.00 is: 178,528.47
Step by Step Solution
- Step 1: Write the proportion equation
236,796.21 : 326,779.92 = 129,368.00 : x - Step 2: Convert to fraction form
236,796.21/326,779.92 = 129,368.00/x - Step 3: Cross multiply
236,796.21x = 326,779.92 × 129,368.00 - Step 4: Simplify right side
236,796.21x = 42,274,865,507.51 - Step 5: Solve for x
x = 42,274,865,507.51/236,796.21 - Step 6: Final answer
x = 178,528.47
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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.