Finding the Fourth Proportional to 126,825.79, 190,251.27 and 46,884.70
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Solution
The fourth proportional to 126,825.79, 190,251.27 and 46,884.70 is: 70,331.70
Step by Step Solution
- Step 1: Write the proportion equation
126,825.79 : 190,251.27 = 46,884.70 : x - Step 2: Convert to fraction form
126,825.79/190,251.27 = 46,884.70/x - Step 3: Cross multiply
126,825.79x = 190,251.27 × 46,884.70 - Step 4: Simplify right side
126,825.79x = 8,919,873,484.15 - Step 5: Solve for x
x = 8,919,873,484.15/126,825.79 - Step 6: Final answer
x = 70,331.70
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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.