Finding the Fourth Proportional to 226,686.21, 310,837.63 and 220,781.31
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Solution
The fourth proportional to 226,686.21, 310,837.63 and 220,781.31 is: 302,740.69
Step by Step Solution
- Step 1: Write the proportion equation
226,686.21 : 310,837.63 = 220,781.31 : x - Step 2: Convert to fraction form
226,686.21/310,837.63 = 220,781.31/x - Step 3: Cross multiply
226,686.21x = 310,837.63 × 220,781.31 - Step 4: Simplify right side
226,686.21x = 68,627,139,148.70 - Step 5: Solve for x
x = 68,627,139,148.70/226,686.21 - Step 6: Final answer
x = 302,740.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.