Finding the Fourth Proportional to 236,708.87, 326,660.06 and 129,276.95
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Solution
The fourth proportional to 236,708.87, 326,660.06 and 129,276.95 is: 178,403.18
Step by Step Solution
- Step 1: Write the proportion equation
236,708.87 : 326,660.06 = 129,276.95 : x - Step 2: Convert to fraction form
236,708.87/326,660.06 = 129,276.95/x - Step 3: Cross multiply
236,708.87x = 326,660.06 × 129,276.95 - Step 4: Simplify right side
236,708.87x = 42,229,615,597.23 - Step 5: Solve for x
x = 42,229,615,597.23/236,708.87 - Step 6: Final answer
x = 178,403.18
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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.