Finding the Fourth Proportional to 236,713.56, 326,662.98 and 129,283.62
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Solution
The fourth proportional to 236,713.56, 326,662.98 and 129,283.62 is: 178,410.45
Step by Step Solution
- Step 1: Write the proportion equation
236,713.56 : 326,662.98 = 129,283.62 : x - Step 2: Convert to fraction form
236,713.56/326,662.98 = 129,283.62/x - Step 3: Cross multiply
236,713.56x = 326,662.98 × 129,283.62 - Step 4: Simplify right side
236,713.56x = 42,232,172,574.39 - Step 5: Solve for x
x = 42,232,172,574.39/236,713.56 - Step 6: Final answer
x = 178,410.45
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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.