Finding the Fourth Proportional to 306,700.38, 423,241.96 and 170,734.08
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Solution
The fourth proportional to 306,700.38, 423,241.96 and 170,734.08 is: 235,610.49
Step by Step Solution
- Step 1: Write the proportion equation
306,700.38 : 423,241.96 = 170,734.08 : x - Step 2: Convert to fraction form
306,700.38/423,241.96 = 170,734.08/x - Step 3: Cross multiply
306,700.38x = 423,241.96 × 170,734.08 - Step 4: Simplify right side
306,700.38x = 72,261,826,658.00 - Step 5: Solve for x
x = 72,261,826,658.00/306,700.38 - Step 6: Final answer
x = 235,610.49
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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.