Finding the Fourth Proportional to 287,101.73, 430,363.10 and 180,561.82
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Solution
The fourth proportional to 287,101.73, 430,363.10 and 180,561.82 is: 270,660.66
Step by Step Solution
- Step 1: Write the proportion equation
287,101.73 : 430,363.10 = 180,561.82 : x - Step 2: Convert to fraction form
287,101.73/430,363.10 = 180,561.82/x - Step 3: Cross multiply
287,101.73x = 430,363.10 × 180,561.82 - Step 4: Simplify right side
287,101.73x = 77,707,142,618.13 - Step 5: Solve for x
x = 77,707,142,618.13/287,101.73 - Step 6: Final answer
x = 270,660.66
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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.