Finding the Fourth Proportional to 210,034.69, 315,114.60 and 97,781.24
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Solution
The fourth proportional to 210,034.69, 315,114.60 and 97,781.24 is: 146,700.99
Step by Step Solution
- Step 1: Write the proportion equation
210,034.69 : 315,114.60 = 97,781.24 : x - Step 2: Convert to fraction form
210,034.69/315,114.60 = 97,781.24/x - Step 3: Cross multiply
210,034.69x = 315,114.60 × 97,781.24 - Step 4: Simplify right side
210,034.69x = 30,812,296,330.10 - Step 5: Solve for x
x = 30,812,296,330.10/210,034.69 - Step 6: Final answer
x = 146,700.99
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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.