Finding the Fourth Proportional to 417,821.88, 626,572.87 and 177,785.63
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Solution
The fourth proportional to 417,821.88, 626,572.87 and 177,785.63 is: 266,610.39
Step by Step Solution
- Step 1: Write the proportion equation
417,821.88 : 626,572.87 = 177,785.63 : x - Step 2: Convert to fraction form
417,821.88/626,572.87 = 177,785.63/x - Step 3: Cross multiply
417,821.88x = 626,572.87 × 177,785.63 - Step 4: Simplify right side
417,821.88x = 111,395,653,555.83 - Step 5: Solve for x
x = 111,395,653,555.83/417,821.88 - Step 6: Final answer
x = 266,610.39
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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.