Finding the Fourth Proportional to 381,310.28, 571,968.69 and 97,001.09
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Solution
The fourth proportional to 381,310.28, 571,968.69 and 97,001.09 is: 145,502.47
Step by Step Solution
- Step 1: Write the proportion equation
381,310.28 : 571,968.69 = 97,001.09 : x - Step 2: Convert to fraction form
381,310.28/571,968.69 = 97,001.09/x - Step 3: Cross multiply
381,310.28x = 571,968.69 × 97,001.09 - Step 4: Simplify right side
381,310.28x = 55,481,589,060.11 - Step 5: Solve for x
x = 55,481,589,060.11/381,310.28 - Step 6: Final answer
x = 145,502.47
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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.