Finding the Fourth Proportional to 265,394.80, 366,275.08 and 157,965.20
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Solution
The fourth proportional to 265,394.80, 366,275.08 and 157,965.20 is: 218,009.98
Step by Step Solution
- Step 1: Write the proportion equation
265,394.80 : 366,275.08 = 157,965.20 : x - Step 2: Convert to fraction form
265,394.80/366,275.08 = 157,965.20/x - Step 3: Cross multiply
265,394.80x = 366,275.08 × 157,965.20 - Step 4: Simplify right side
265,394.80x = 57,858,716,267.22 - Step 5: Solve for x
x = 57,858,716,267.22/265,394.80 - Step 6: Final answer
x = 218,009.98
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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.