Finding the Fourth Proportional to 102,578.14, 153,887.14 and 39,393.62
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Solution
The fourth proportional to 102,578.14, 153,887.14 and 39,393.62 is: 59,098.08
Step by Step Solution
- Step 1: Write the proportion equation
102,578.14 : 153,887.14 = 39,393.62 : x - Step 2: Convert to fraction form
102,578.14/153,887.14 = 39,393.62/x - Step 3: Cross multiply
102,578.14x = 153,887.14 × 39,393.62 - Step 4: Simplify right side
102,578.14x = 6,062,171,516.05 - Step 5: Solve for x
x = 6,062,171,516.05/102,578.14 - Step 6: Final answer
x = 59,098.08
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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.