Finding the Fourth Proportional to 226,514.06, 312,605.69 and 135,873.84
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Solution
The fourth proportional to 226,514.06, 312,605.69 and 135,873.84 is: 187,515.67
Step by Step Solution
- Step 1: Write the proportion equation
226,514.06 : 312,605.69 = 135,873.84 : x - Step 2: Convert to fraction form
226,514.06/312,605.69 = 135,873.84/x - Step 3: Cross multiply
226,514.06x = 312,605.69 × 135,873.84 - Step 4: Simplify right side
226,514.06x = 42,474,935,506.15 - Step 5: Solve for x
x = 42,474,935,506.15/226,514.06 - Step 6: Final answer
x = 187,515.67
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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.