Finding the Fourth Proportional to 170,403.40, 235,157.66 and 98,825.88
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Solution
The fourth proportional to 170,403.40, 235,157.66 and 98,825.88 is: 136,380.28
Step by Step Solution
- Step 1: Write the proportion equation
170,403.40 : 235,157.66 = 98,825.88 : x - Step 2: Convert to fraction form
170,403.40/235,157.66 = 98,825.88/x - Step 3: Cross multiply
170,403.40x = 235,157.66 × 98,825.88 - Step 4: Simplify right side
170,403.40x = 23,239,662,688.24 - Step 5: Solve for x
x = 23,239,662,688.24/170,403.40 - Step 6: Final answer
x = 136,380.28
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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.