Finding the Fourth Proportional to 187,499.11, 258,479.79 and 133,690.81
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Solution
The fourth proportional to 187,499.11, 258,479.79 and 133,690.81 is: 184,301.53
Step by Step Solution
- Step 1: Write the proportion equation
187,499.11 : 258,479.79 = 133,690.81 : x - Step 2: Convert to fraction form
187,499.11/258,479.79 = 133,690.81/x - Step 3: Cross multiply
187,499.11x = 258,479.79 × 133,690.81 - Step 4: Simplify right side
187,499.11x = 34,556,372,493.73 - Step 5: Solve for x
x = 34,556,372,493.73/187,499.11 - Step 6: Final answer
x = 184,301.53
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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.