Finding the Fourth Proportional to 437,519.58, 656,316.42 and 121,976.79
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Solution
The fourth proportional to 437,519.58, 656,316.42 and 121,976.79 is: 182,975.51
Step by Step Solution
- Step 1: Write the proportion equation
437,519.58 : 656,316.42 = 121,976.79 : x - Step 2: Convert to fraction form
437,519.58/656,316.42 = 121,976.79/x - Step 3: Cross multiply
437,519.58x = 656,316.42 × 121,976.79 - Step 4: Simplify right side
437,519.58x = 80,055,370,135.89 - Step 5: Solve for x
x = 80,055,370,135.89/437,519.58 - Step 6: Final answer
x = 182,975.51
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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.