Finding the Fourth Proportional to 417,699.29, 576,423.56 and 226,712.68
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Solution
The fourth proportional to 417,699.29, 576,423.56 and 226,712.68 is: 312,862.71
Step by Step Solution
- Step 1: Write the proportion equation
417,699.29 : 576,423.56 = 226,712.68 : x - Step 2: Convert to fraction form
417,699.29/576,423.56 = 226,712.68/x - Step 3: Cross multiply
417,699.29x = 576,423.56 × 226,712.68 - Step 4: Simplify right side
417,699.29x = 130,682,530,102.74 - Step 5: Solve for x
x = 130,682,530,102.74/417,699.29 - Step 6: Final answer
x = 312,862.71
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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.