Finding the Fourth Proportional to 613,887.68, 920,744.04 and 193,152.62
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Solution
The fourth proportional to 613,887.68, 920,744.04 and 193,152.62 is: 289,701.41
Step by Step Solution
- Step 1: Write the proportion equation
613,887.68 : 920,744.04 = 193,152.62 : x - Step 2: Convert to fraction form
613,887.68/920,744.04 = 193,152.62/x - Step 3: Cross multiply
613,887.68x = 920,744.04 × 193,152.62 - Step 4: Simplify right side
613,887.68x = 177,844,123,675.39 - Step 5: Solve for x
x = 177,844,123,675.39/613,887.68 - Step 6: Final answer
x = 289,701.41
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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.