Finding the Fourth Proportional to 417,614.70, 576,308.66 and 226,628.09
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Solution
The fourth proportional to 417,614.70, 576,308.66 and 226,628.09 is: 312,746.96
Step by Step Solution
- Step 1: Write the proportion equation
417,614.70 : 576,308.66 = 226,628.09 : x - Step 2: Convert to fraction form
417,614.70/576,308.66 = 226,628.09/x - Step 3: Cross multiply
417,614.70x = 576,308.66 × 226,628.09 - Step 4: Simplify right side
417,614.70x = 130,607,729,733.12 - Step 5: Solve for x
x = 130,607,729,733.12/417,614.70 - Step 6: Final answer
x = 312,746.96
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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.