Finding the Fourth Proportional to 230,618.68, 318,253.26 and 130,015.96
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Solution
The fourth proportional to 230,618.68, 318,253.26 and 130,015.96 is: 179,421.73
Step by Step Solution
- Step 1: Write the proportion equation
230,618.68 : 318,253.26 = 130,015.96 : x - Step 2: Convert to fraction form
230,618.68/318,253.26 = 130,015.96/x - Step 3: Cross multiply
230,618.68x = 318,253.26 × 130,015.96 - Step 4: Simplify right side
230,618.68x = 41,378,003,122.03 - Step 5: Solve for x
x = 41,378,003,122.03/230,618.68 - Step 6: Final answer
x = 179,421.73
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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.