Finding the Fourth Proportional to 358,138.54, 537,214.02 and 121,487.32
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Solution
The fourth proportional to 358,138.54, 537,214.02 and 121,487.32 is: 182,233.09
Step by Step Solution
- Step 1: Write the proportion equation
358,138.54 : 537,214.02 = 121,487.32 : x - Step 2: Convert to fraction form
358,138.54/537,214.02 = 121,487.32/x - Step 3: Cross multiply
358,138.54x = 537,214.02 × 121,487.32 - Step 4: Simplify right side
358,138.54x = 65,264,691,556.23 - Step 5: Solve for x
x = 65,264,691,556.23/358,138.54 - Step 6: Final answer
x = 182,233.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.