Finding the Fourth Proportional to 203,078.24, 304,814.20 and 97,971.02
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Solution
The fourth proportional to 203,078.24, 304,814.20 and 97,971.02 is: 147,051.49
Step by Step Solution
- Step 1: Write the proportion equation
203,078.24 : 304,814.20 = 97,971.02 : x - Step 2: Convert to fraction form
203,078.24/304,814.20 = 97,971.02/x - Step 3: Cross multiply
203,078.24x = 304,814.20 × 97,971.02 - Step 4: Simplify right side
203,078.24x = 29,862,958,084.48 - Step 5: Solve for x
x = 29,862,958,084.48/203,078.24 - Step 6: Final answer
x = 147,051.49
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1.5x scale
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.