Finding the Fourth Proportional to 193,518.14, 290,387.76 and 75,174.08
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Solution
The fourth proportional to 193,518.14, 290,387.76 and 75,174.08 is: 112,804.06
Step by Step Solution
- Step 1: Write the proportion equation
193,518.14 : 290,387.76 = 75,174.08 : x - Step 2: Convert to fraction form
193,518.14/290,387.76 = 75,174.08/x - Step 3: Cross multiply
193,518.14x = 290,387.76 × 75,174.08 - Step 4: Simplify right side
193,518.14x = 21,829,632,701.26 - Step 5: Solve for x
x = 21,829,632,701.26/193,518.14 - Step 6: Final answer
x = 112,804.06
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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.