Finding the Fourth Proportional to 341,805.20, 512,707.80 and 201,837.20
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Solution
The fourth proportional to 341,805.20, 512,707.80 and 201,837.20 is: 302,755.80
Step by Step Solution
- Step 1: Write the proportion equation
341,805.20 : 512,707.80 = 201,837.20 : x - Step 2: Convert to fraction form
341,805.20/512,707.80 = 201,837.20/x - Step 3: Cross multiply
341,805.20x = 512,707.80 × 201,837.20 - Step 4: Simplify right side
341,805.20x = 103,483,506,770.16 - Step 5: Solve for x
x = 103,483,506,770.16/341,805.20 - Step 6: Final answer
x = 302,755.80
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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.