Finding the Fourth Proportional to 170,394.40, 235,144.28 and 98,815.93
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Solution
The fourth proportional to 170,394.40, 235,144.28 and 98,815.93 is: 136,365.99
Step by Step Solution
- Step 1: Write the proportion equation
170,394.40 : 235,144.28 = 98,815.93 : x - Step 2: Convert to fraction form
170,394.40/235,144.28 = 98,815.93/x - Step 3: Cross multiply
170,394.40x = 235,144.28 × 98,815.93 - Step 4: Simplify right side
170,394.40x = 23,236,000,712.38 - Step 5: Solve for x
x = 23,236,000,712.38/170,394.40 - Step 6: Final answer
x = 136,365.99
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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.