Finding the Fourth Proportional to 417,292.16, 625,734.11 and 290,992.91
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Solution
The fourth proportional to 417,292.16, 625,734.11 and 290,992.91 is: 436,347.02
Step by Step Solution
- Step 1: Write the proportion equation
417,292.16 : 625,734.11 = 290,992.91 : x - Step 2: Convert to fraction form
417,292.16/625,734.11 = 290,992.91/x - Step 3: Cross multiply
417,292.16x = 625,734.11 × 290,992.91 - Step 4: Simplify right side
417,292.16x = 182,084,187,153.97 - Step 5: Solve for x
x = 182,084,187,153.97/417,292.16 - Step 6: Final answer
x = 436,347.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.