Finding the Fourth Proportional to 245,375.24, 338,614.48 and 136,478.53
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Solution
The fourth proportional to 245,375.24, 338,614.48 and 136,478.53 is: 188,338.51
Step by Step Solution
- Step 1: Write the proportion equation
245,375.24 : 338,614.48 = 136,478.53 : x - Step 2: Convert to fraction form
245,375.24/338,614.48 = 136,478.53/x - Step 3: Cross multiply
245,375.24x = 338,614.48 × 136,478.53 - Step 4: Simplify right side
245,375.24x = 46,213,607,060.98 - Step 5: Solve for x
x = 46,213,607,060.98/245,375.24 - Step 6: Final answer
x = 188,338.51
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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.