Finding the Fourth Proportional to 170,505.70, 235,310.70 and 98,885.08
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Solution
The fourth proportional to 170,505.70, 235,310.70 and 98,885.08 is: 136,468.85
Step by Step Solution
- Step 1: Write the proportion equation
170,505.70 : 235,310.70 = 98,885.08 : x - Step 2: Convert to fraction form
170,505.70/235,310.70 = 98,885.08/x - Step 3: Cross multiply
170,505.70x = 235,310.70 × 98,885.08 - Step 4: Simplify right side
170,505.70x = 23,268,717,394.36 - Step 5: Solve for x
x = 23,268,717,394.36/170,505.70 - Step 6: Final answer
x = 136,468.85
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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.