Finding the Fourth Proportional to 315,132.58, 434,804.25 and 192,593.62
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Solution
The fourth proportional to 315,132.58, 434,804.25 and 192,593.62 is: 265,731.09
Step by Step Solution
- Step 1: Write the proportion equation
315,132.58 : 434,804.25 = 192,593.62 : x - Step 2: Convert to fraction form
315,132.58/434,804.25 = 192,593.62/x - Step 3: Cross multiply
315,132.58x = 434,804.25 × 192,593.62 - Step 4: Simplify right side
315,132.58x = 83,740,524,498.89 - Step 5: Solve for x
x = 83,740,524,498.89/315,132.58 - Step 6: Final answer
x = 265,731.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.