Finding the Fourth Proportional to 287,934.08, 431,716.05 and 119,570.58
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Solution
The fourth proportional to 287,934.08, 431,716.05 and 119,570.58 is: 179,279.02
Step by Step Solution
- Step 1: Write the proportion equation
287,934.08 : 431,716.05 = 119,570.58 : x - Step 2: Convert to fraction form
287,934.08/431,716.05 = 119,570.58/x - Step 3: Cross multiply
287,934.08x = 431,716.05 × 119,570.58 - Step 4: Simplify right side
287,934.08x = 51,620,538,493.81 - Step 5: Solve for x
x = 51,620,538,493.81/287,934.08 - Step 6: Final answer
x = 179,279.02
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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.