Finding the Fourth Proportional to 298,251.92, 411,604.68 and 170,948.72
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Solution
The fourth proportional to 298,251.92, 411,604.68 and 170,948.72 is: 235,918.99
Step by Step Solution
- Step 1: Write the proportion equation
298,251.92 : 411,604.68 = 170,948.72 : x - Step 2: Convert to fraction form
298,251.92/411,604.68 = 170,948.72/x - Step 3: Cross multiply
298,251.92x = 411,604.68 × 170,948.72 - Step 4: Simplify right side
298,251.92x = 70,363,293,192.01 - Step 5: Solve for x
x = 70,363,293,192.01/298,251.92 - Step 6: Final answer
x = 235,918.99
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1.5x scale
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.