Finding the Fourth Proportional to 238,651.68, 329,344.64 and 131,214.88
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Solution
The fourth proportional to 238,651.68, 329,344.64 and 131,214.88 is: 181,079.46
Step by Step Solution
- Step 1: Write the proportion equation
238,651.68 : 329,344.64 = 131,214.88 : x - Step 2: Convert to fraction form
238,651.68/329,344.64 = 131,214.88/x - Step 3: Cross multiply
238,651.68x = 329,344.64 × 131,214.88 - Step 4: Simplify right side
238,651.68x = 43,214,917,416.24 - Step 5: Solve for x
x = 43,214,917,416.24/238,651.68 - Step 6: Final answer
x = 181,079.46
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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.