Finding the Fourth Proportional to 417,809.74, 576,579.80 and 245,734.96
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Solution
The fourth proportional to 417,809.74, 576,579.80 and 245,734.96 is: 339,115.63
Step by Step Solution
- Step 1: Write the proportion equation
417,809.74 : 576,579.80 = 245,734.96 : x - Step 2: Convert to fraction form
417,809.74/576,579.80 = 245,734.96/x - Step 3: Cross multiply
417,809.74x = 576,579.80 × 245,734.96 - Step 4: Simplify right side
417,809.74x = 141,685,812,500.77 - Step 5: Solve for x
x = 141,685,812,500.77/417,809.74 - Step 6: Final answer
x = 339,115.63
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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.