Finding the Fourth Proportional to 424,197.81, 585,581.68 and 252,171.46
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Solution
The fourth proportional to 424,197.81, 585,581.68 and 252,171.46 is: 348,108.79
Step by Step Solution
- Step 1: Write the proportion equation
424,197.81 : 585,581.68 = 252,171.46 : x - Step 2: Convert to fraction form
424,197.81/585,581.68 = 252,171.46/x - Step 3: Cross multiply
424,197.81x = 585,581.68 × 252,171.46 - Step 4: Simplify right side
424,197.81x = 147,666,985,934.00 - Step 5: Solve for x
x = 147,666,985,934.00/424,197.81 - Step 6: Final answer
x = 348,108.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.