Finding the Fourth Proportional to 225,854.19, 338,695.17 and 76,054.26
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Solution
The fourth proportional to 225,854.19, 338,695.17 and 76,054.26 is: 114,052.39
Step by Step Solution
- Step 1: Write the proportion equation
225,854.19 : 338,695.17 = 76,054.26 : x - Step 2: Convert to fraction form
225,854.19/338,695.17 = 76,054.26/x - Step 3: Cross multiply
225,854.19x = 338,695.17 × 76,054.26 - Step 4: Simplify right side
225,854.19x = 25,759,210,519.92 - Step 5: Solve for x
x = 25,759,210,519.92/225,854.19 - Step 6: Final answer
x = 114,052.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.