Finding the Fourth Proportional to 187,499.36, 258,480.15 and 133,691.06
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Solution
The fourth proportional to 187,499.36, 258,480.15 and 133,691.06 is: 184,301.88
Step by Step Solution
- Step 1: Write the proportion equation
187,499.36 : 258,480.15 = 133,691.06 : x - Step 2: Convert to fraction form
187,499.36/258,480.15 = 133,691.06/x - Step 3: Cross multiply
187,499.36x = 258,480.15 × 133,691.06 - Step 4: Simplify right side
187,499.36x = 34,556,483,950.06 - Step 5: Solve for x
x = 34,556,483,950.06/187,499.36 - Step 6: Final answer
x = 184,301.88
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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.