Finding the Fourth Proportional to 238,135.68, 328,635.63 and 130,708.62
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Solution
The fourth proportional to 238,135.68, 328,635.63 and 130,708.62 is: 180,382.50
Step by Step Solution
- Step 1: Write the proportion equation
238,135.68 : 328,635.63 = 130,708.62 : x - Step 2: Convert to fraction form
238,135.68/328,635.63 = 130,708.62/x - Step 3: Cross multiply
238,135.68x = 328,635.63 × 130,708.62 - Step 4: Simplify right side
238,135.68x = 42,955,509,680.13 - Step 5: Solve for x
x = 42,955,509,680.13/238,135.68 - Step 6: Final answer
x = 180,382.50
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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.