Finding the Fourth Proportional to 498,194.88, 747,690.84 and 261,677.04
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Solution
The fourth proportional to 498,194.88, 747,690.84 and 261,677.04 is: 392,724.88
Step by Step Solution
- Step 1: Write the proportion equation
498,194.88 : 747,690.84 = 261,677.04 : x - Step 2: Convert to fraction form
498,194.88/747,690.84 = 261,677.04/x - Step 3: Cross multiply
498,194.88x = 747,690.84 × 261,677.04 - Step 4: Simplify right side
498,194.88x = 195,653,525,846.31 - Step 5: Solve for x
x = 195,653,525,846.31/498,194.88 - Step 6: Final answer
x = 392,724.88
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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.