Finding the Fourth Proportional to 154,536.24, 213,265.26 and 90,879.96
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Solution
The fourth proportional to 154,536.24, 213,265.26 and 90,879.96 is: 125,417.43
Step by Step Solution
- Step 1: Write the proportion equation
154,536.24 : 213,265.26 = 90,879.96 : x - Step 2: Convert to fraction form
154,536.24/213,265.26 = 90,879.96/x - Step 3: Cross multiply
154,536.24x = 213,265.26 × 90,879.96 - Step 4: Simplify right side
154,536.24x = 19,381,538,298.19 - Step 5: Solve for x
x = 19,381,538,298.19/154,536.24 - Step 6: Final answer
x = 125,417.43
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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.