Finding the Fourth Proportional to 219,648.80, 303,120.60 and 124,155.88
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Solution
The fourth proportional to 219,648.80, 303,120.60 and 124,155.88 is: 171,338.09
Step by Step Solution
- Step 1: Write the proportion equation
219,648.80 : 303,120.60 = 124,155.88 : x - Step 2: Convert to fraction form
219,648.80/303,120.60 = 124,155.88/x - Step 3: Cross multiply
219,648.80x = 303,120.60 × 124,155.88 - Step 4: Simplify right side
219,648.80x = 37,634,204,839.13 - Step 5: Solve for x
x = 37,634,204,839.13/219,648.80 - Step 6: Final answer
x = 171,338.09
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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.