Finding the Fourth Proportional to 248,713.84, 373,143.51 and 80,230.70
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Solution
The fourth proportional to 248,713.84, 373,143.51 and 80,230.70 is: 120,369.52
Step by Step Solution
- Step 1: Write the proportion equation
248,713.84 : 373,143.51 = 80,230.70 : x - Step 2: Convert to fraction form
248,713.84/373,143.51 = 80,230.70/x - Step 3: Cross multiply
248,713.84x = 373,143.51 × 80,230.70 - Step 4: Simplify right side
248,713.84x = 29,937,565,940.62 - Step 5: Solve for x
x = 29,937,565,940.62/248,713.84 - Step 6: Final answer
x = 120,369.52
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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.