Finding the Fourth Proportional to 227,178.95, 313,492.88 and 125,198.73
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Solution
The fourth proportional to 227,178.95, 313,492.88 and 125,198.73 is: 172,766.49
Step by Step Solution
- Step 1: Write the proportion equation
227,178.95 : 313,492.88 = 125,198.73 : x - Step 2: Convert to fraction form
227,178.95/313,492.88 = 125,198.73/x - Step 3: Cross multiply
227,178.95x = 313,492.88 × 125,198.73 - Step 4: Simplify right side
227,178.95x = 39,248,909,814.05 - Step 5: Solve for x
x = 39,248,909,814.05/227,178.95 - Step 6: Final answer
x = 172,766.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.