Finding the Fourth Proportional to 543,273.40, 814,411.18 and 188,038.99
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Solution
The fourth proportional to 543,273.40, 814,411.18 and 188,038.99 is: 281,885.80
Step by Step Solution
- Step 1: Write the proportion equation
543,273.40 : 814,411.18 = 188,038.99 : x - Step 2: Convert to fraction form
543,273.40/814,411.18 = 188,038.99/x - Step 3: Cross multiply
543,273.40x = 814,411.18 × 188,038.99 - Step 4: Simplify right side
543,273.40x = 153,141,055,731.91 - Step 5: Solve for x
x = 153,141,055,731.91/543,273.40 - Step 6: Final answer
x = 281,885.80
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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.