Finding the Fourth Proportional to 236,756.53, 326,712.00 and 129,305.98
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Solution
The fourth proportional to 236,756.53, 326,712.00 and 129,305.98 is: 178,435.69
Step by Step Solution
- Step 1: Write the proportion equation
236,756.53 : 326,712.00 = 129,305.98 : x - Step 2: Convert to fraction form
236,756.53/326,712.00 = 129,305.98/x - Step 3: Cross multiply
236,756.53x = 326,712.00 × 129,305.98 - Step 4: Simplify right side
236,756.53x = 42,245,815,005.88 - Step 5: Solve for x
x = 42,245,815,005.88/236,756.53 - Step 6: Final answer
x = 178,435.69
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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.