Finding the Fourth Proportional to 188,453.98, 260,068.11 and 102,412.95
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Solution
The fourth proportional to 188,453.98, 260,068.11 and 102,412.95 is: 141,330.75
Step by Step Solution
- Step 1: Write the proportion equation
188,453.98 : 260,068.11 = 102,412.95 : x - Step 2: Convert to fraction form
188,453.98/260,068.11 = 102,412.95/x - Step 3: Cross multiply
188,453.98x = 260,068.11 × 102,412.95 - Step 4: Simplify right side
188,453.98x = 26,634,342,346.02 - Step 5: Solve for x
x = 26,634,342,346.02/188,453.98 - Step 6: Final answer
x = 141,330.75
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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.