Finding the Fourth Proportional to 417,673.26, 576,389.66 and 226,686.65
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Solution
The fourth proportional to 417,673.26, 576,389.66 and 226,686.65 is: 312,827.88
Step by Step Solution
- Step 1: Write the proportion equation
417,673.26 : 576,389.66 = 226,686.65 : x - Step 2: Convert to fraction form
417,673.26/576,389.66 = 226,686.65/x - Step 3: Cross multiply
417,673.26x = 576,389.66 × 226,686.65 - Step 4: Simplify right side
417,673.26x = 130,659,841,303.18 - Step 5: Solve for x
x = 130,659,841,303.18/417,673.26 - Step 6: Final answer
x = 312,827.88
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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.