Finding the Fourth Proportional to 424,057.88, 585,189.97 and 230,461.00
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Solution
The fourth proportional to 424,057.88, 585,189.97 and 230,461.00 is: 318,030.79
Step by Step Solution
- Step 1: Write the proportion equation
424,057.88 : 585,189.97 = 230,461.00 : x - Step 2: Convert to fraction form
424,057.88/585,189.97 = 230,461.00/x - Step 3: Cross multiply
424,057.88x = 585,189.97 × 230,461.00 - Step 4: Simplify right side
424,057.88x = 134,863,463,637.04 - Step 5: Solve for x
x = 134,863,463,637.04/424,057.88 - Step 6: Final answer
x = 318,030.79
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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.