Finding the Fourth Proportional to 193,636.35, 290,207.12 and 156,214.07
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Solution
The fourth proportional to 193,636.35, 290,207.12 and 156,214.07 is: 234,121.50
Step by Step Solution
- Step 1: Write the proportion equation
193,636.35 : 290,207.12 = 156,214.07 : x - Step 2: Convert to fraction form
193,636.35/290,207.12 = 156,214.07/x - Step 3: Cross multiply
193,636.35x = 290,207.12 × 156,214.07 - Step 4: Simplify right side
193,636.35x = 45,334,433,126.07 - Step 5: Solve for x
x = 45,334,433,126.07/193,636.35 - Step 6: Final answer
x = 234,121.50
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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.