Finding the Fourth Proportional to 236,753.64, 326,718.03 and 129,323.70
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Solution
The fourth proportional to 236,753.64, 326,718.03 and 129,323.70 is: 178,465.62
Step by Step Solution
- Step 1: Write the proportion equation
236,753.64 : 326,718.03 = 129,323.70 : x - Step 2: Convert to fraction form
236,753.64/326,718.03 = 129,323.70/x - Step 3: Cross multiply
236,753.64x = 326,718.03 × 129,323.70 - Step 4: Simplify right side
236,753.64x = 42,252,384,496.31 - Step 5: Solve for x
x = 42,252,384,496.31/236,753.64 - Step 6: Final answer
x = 178,465.62
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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.