Finding the Fourth Proportional to 417,738.58, 626,640.98 and 118,221.02
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Solution
The fourth proportional to 417,738.58, 626,640.98 and 118,221.02 is: 177,340.90
Step by Step Solution
- Step 1: Write the proportion equation
417,738.58 : 626,640.98 = 118,221.02 : x - Step 2: Convert to fraction form
417,738.58/626,640.98 = 118,221.02/x - Step 3: Cross multiply
417,738.58x = 626,640.98 × 118,221.02 - Step 4: Simplify right side
417,738.58x = 74,082,135,829.40 - Step 5: Solve for x
x = 74,082,135,829.40/417,738.58 - Step 6: Final answer
x = 177,340.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.