Finding the Fourth Proportional to 170,394.12, 235,144.08 and 98,815.75
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Solution
The fourth proportional to 170,394.12, 235,144.08 and 98,815.75 is: 136,365.84
Step by Step Solution
- Step 1: Write the proportion equation
170,394.12 : 235,144.08 = 98,815.75 : x - Step 2: Convert to fraction form
170,394.12/235,144.08 = 98,815.75/x - Step 3: Cross multiply
170,394.12x = 235,144.08 × 98,815.75 - Step 4: Simplify right side
170,394.12x = 23,235,938,035.40 - Step 5: Solve for x
x = 23,235,938,035.40/170,394.12 - Step 6: Final answer
x = 136,365.84
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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.