Finding the Fourth Proportional to 230,791.68, 318,494.88 and 135,300.96
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Solution
The fourth proportional to 230,791.68, 318,494.88 and 135,300.96 is: 186,716.71
Step by Step Solution
- Step 1: Write the proportion equation
230,791.68 : 318,494.88 = 135,300.96 : x - Step 2: Convert to fraction form
230,791.68/318,494.88 = 135,300.96/x - Step 3: Cross multiply
230,791.68x = 318,494.88 × 135,300.96 - Step 4: Simplify right side
230,791.68x = 43,092,663,019.08 - Step 5: Solve for x
x = 43,092,663,019.08/230,791.68 - Step 6: Final answer
x = 186,716.71
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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.