Finding the Fourth Proportional to 665,305.80, 997,958.70 and 192,006.60
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Solution
The fourth proportional to 665,305.80, 997,958.70 and 192,006.60 is: 288,009.90
Step by Step Solution
- Step 1: Write the proportion equation
665,305.80 : 997,958.70 = 192,006.60 : x - Step 2: Convert to fraction form
665,305.80/997,958.70 = 192,006.60/x - Step 3: Cross multiply
665,305.80x = 997,958.70 × 192,006.60 - Step 4: Simplify right side
665,305.80x = 191,614,656,927.42 - Step 5: Solve for x
x = 191,614,656,927.42/665,305.80 - Step 6: Final answer
x = 288,009.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.