Finding the Fourth Proportional to 159,277.68, 239,064.39 and 80,447.31
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Solution
The fourth proportional to 159,277.68, 239,064.39 and 80,447.31 is: 120,745.65
Step by Step Solution
- Step 1: Write the proportion equation
159,277.68 : 239,064.39 = 80,447.31 : x - Step 2: Convert to fraction form
159,277.68/239,064.39 = 80,447.31/x - Step 3: Cross multiply
159,277.68x = 239,064.39 × 80,447.31 - Step 4: Simplify right side
159,277.68x = 19,232,087,092.29 - Step 5: Solve for x
x = 19,232,087,092.29/159,277.68 - Step 6: Final answer
x = 120,745.65
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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.