Finding the Fourth Proportional to 216,447.15, 298,692.66 and 119,655.09
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Solution
The fourth proportional to 216,447.15, 298,692.66 and 119,655.09 is: 165,121.59
Step by Step Solution
- Step 1: Write the proportion equation
216,447.15 : 298,692.66 = 119,655.09 : x - Step 2: Convert to fraction form
216,447.15/298,692.66 = 119,655.09/x - Step 3: Cross multiply
216,447.15x = 298,692.66 × 119,655.09 - Step 4: Simplify right side
216,447.15x = 35,740,097,114.64 - Step 5: Solve for x
x = 35,740,097,114.64/216,447.15 - Step 6: Final answer
x = 165,121.59
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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.