Finding the Fourth Proportional to 144,079.84, 216,147.77 and 55,326.82
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Solution
The fourth proportional to 144,079.84, 216,147.77 and 55,326.82 is: 83,000.99
Step by Step Solution
- Step 1: Write the proportion equation
144,079.84 : 216,147.77 = 55,326.82 : x - Step 2: Convert to fraction form
144,079.84/216,147.77 = 55,326.82/x - Step 3: Cross multiply
144,079.84x = 216,147.77 × 55,326.82 - Step 4: Simplify right side
144,079.84x = 11,958,768,764.19 - Step 5: Solve for x
x = 11,958,768,764.19/144,079.84 - Step 6: Final answer
x = 83,000.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.