Finding the Fourth Proportional to 238,086.68, 328,571.57 and 130,655.84
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Solution
The fourth proportional to 238,086.68, 328,571.57 and 130,655.84 is: 180,311.62
Step by Step Solution
- Step 1: Write the proportion equation
238,086.68 : 328,571.57 = 130,655.84 : x - Step 2: Convert to fraction form
238,086.68/328,571.57 = 130,655.84/x - Step 3: Cross multiply
238,086.68x = 328,571.57 × 130,655.84 - Step 4: Simplify right side
238,086.68x = 42,929,793,162.25 - Step 5: Solve for x
x = 42,929,793,162.25/238,086.68 - Step 6: Final answer
x = 180,311.62
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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.