Finding the Fourth Proportional to 613,516.76, 920,368.02 and 192,753.08
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Solution
The fourth proportional to 613,516.76, 920,368.02 and 192,753.08 is: 289,158.80
Step by Step Solution
- Step 1: Write the proportion equation
613,516.76 : 920,368.02 = 192,753.08 : x - Step 2: Convert to fraction form
613,516.76/920,368.02 = 192,753.08/x - Step 3: Cross multiply
613,516.76x = 920,368.02 × 192,753.08 - Step 4: Simplify right side
613,516.76x = 177,403,770,588.50 - Step 5: Solve for x
x = 177,403,770,588.50/613,516.76 - Step 6: Final answer
x = 289,158.80
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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.