Finding the Fourth Proportional to 358,375.10, 537,187.60 and 133,645.12
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Solution
The fourth proportional to 358,375.10, 537,187.60 and 133,645.12 is: 200,327.82
Step by Step Solution
- Step 1: Write the proportion equation
358,375.10 : 537,187.60 = 133,645.12 : x - Step 2: Convert to fraction form
358,375.10/537,187.60 = 133,645.12/x - Step 3: Cross multiply
358,375.10x = 537,187.60 × 133,645.12 - Step 4: Simplify right side
358,375.10x = 71,792,501,264.51 - Step 5: Solve for x
x = 71,792,501,264.51/358,375.10 - Step 6: Final answer
x = 200,327.82
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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.