Finding the Fourth Proportional to 221,825.96, 306,130.84 and 131,234.92
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Solution
The fourth proportional to 221,825.96, 306,130.84 and 131,234.92 is: 181,110.71
Step by Step Solution
- Step 1: Write the proportion equation
221,825.96 : 306,130.84 = 131,234.92 : x - Step 2: Convert to fraction form
221,825.96/306,130.84 = 131,234.92/x - Step 3: Cross multiply
221,825.96x = 306,130.84 × 131,234.92 - Step 4: Simplify right side
221,825.96x = 40,175,056,296.93 - Step 5: Solve for x
x = 40,175,056,296.93/221,825.96 - Step 6: Final answer
x = 181,110.71
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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.