Finding the Fourth Proportional to 417,686.14, 576,269.67 and 236,380.06
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Solution
The fourth proportional to 417,686.14, 576,269.67 and 236,380.06 is: 326,126.84
Step by Step Solution
- Step 1: Write the proportion equation
417,686.14 : 576,269.67 = 236,380.06 : x - Step 2: Convert to fraction form
417,686.14/576,269.67 = 236,380.06/x - Step 3: Cross multiply
417,686.14x = 576,269.67 × 236,380.06 - Step 4: Simplify right side
417,686.14x = 136,218,659,170.78 - Step 5: Solve for x
x = 136,218,659,170.78/417,686.14 - Step 6: Final answer
x = 326,126.84
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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.