Finding the Fourth Proportional to 344,020.75, 474,818.48 and 198,832.70
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Solution
The fourth proportional to 344,020.75, 474,818.48 and 198,832.70 is: 274,429.49
Step by Step Solution
- Step 1: Write the proportion equation
344,020.75 : 474,818.48 = 198,832.70 : x - Step 2: Convert to fraction form
344,020.75/474,818.48 = 198,832.70/x - Step 3: Cross multiply
344,020.75x = 474,818.48 × 198,832.70 - Step 4: Simplify right side
344,020.75x = 94,409,440,388.30 - Step 5: Solve for x
x = 94,409,440,388.30/344,020.75 - Step 6: Final answer
x = 274,429.49
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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.