Finding the Fourth Proportional to 498,759.12, 748,436.76 and 183,247.92
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Solution
The fourth proportional to 498,759.12, 748,436.76 and 183,247.92 is: 274,981.40
Step by Step Solution
- Step 1: Write the proportion equation
498,759.12 : 748,436.76 = 183,247.92 : x - Step 2: Convert to fraction form
498,759.12/748,436.76 = 183,247.92/x - Step 3: Cross multiply
498,759.12x = 748,436.76 × 183,247.92 - Step 4: Simplify right side
498,759.12x = 137,149,479,521.54 - Step 5: Solve for x
x = 137,149,479,521.54/498,759.12 - Step 6: Final answer
x = 274,981.40
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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.