Finding the Fourth Proportional to 579,816.57, 869,806.86 and 180,497.64
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Solution
The fourth proportional to 579,816.57, 869,806.86 and 180,497.64 is: 270,771.99
Step by Step Solution
- Step 1: Write the proportion equation
579,816.57 : 869,806.86 = 180,497.64 : x - Step 2: Convert to fraction form
579,816.57/869,806.86 = 180,497.64/x - Step 3: Cross multiply
579,816.57x = 869,806.86 × 180,497.64 - Step 4: Simplify right side
579,816.57x = 156,998,085,485.81 - Step 5: Solve for x
x = 156,998,085,485.81/579,816.57 - Step 6: Final answer
x = 270,771.99
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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.