Finding the Fourth Proportional to 172,822.80, 259,277.93 and 48,163.80
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Solution
The fourth proportional to 172,822.80, 259,277.93 and 48,163.80 is: 72,257.89
Step by Step Solution
- Step 1: Write the proportion equation
172,822.80 : 259,277.93 = 48,163.80 : x - Step 2: Convert to fraction form
172,822.80/259,277.93 = 48,163.80/x - Step 3: Cross multiply
172,822.80x = 259,277.93 × 48,163.80 - Step 4: Simplify right side
172,822.80x = 12,487,810,124.12 - Step 5: Solve for x
x = 12,487,810,124.12/172,822.80 - Step 6: Final answer
x = 72,257.89
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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.