Finding the Fourth Proportional to 144,596.67, 216,932.40 and 84,675.75
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Solution
The fourth proportional to 144,596.67, 216,932.40 and 84,675.75 is: 127,035.52
Step by Step Solution
- Step 1: Write the proportion equation
144,596.67 : 216,932.40 = 84,675.75 : x - Step 2: Convert to fraction form
144,596.67/216,932.40 = 84,675.75/x - Step 3: Cross multiply
144,596.67x = 216,932.40 × 84,675.75 - Step 4: Simplify right side
144,596.67x = 18,368,913,669.30 - Step 5: Solve for x
x = 18,368,913,669.30/144,596.67 - Step 6: Final answer
x = 127,035.52
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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.