Finding the Fourth Proportional to 393,996.03, 591,133.68 and 194,456.49
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Solution
The fourth proportional to 393,996.03, 591,133.68 and 194,456.49 is: 291,753.65
Step by Step Solution
- Step 1: Write the proportion equation
393,996.03 : 591,133.68 = 194,456.49 : x - Step 2: Convert to fraction form
393,996.03/591,133.68 = 194,456.49/x - Step 3: Cross multiply
393,996.03x = 591,133.68 × 194,456.49 - Step 4: Simplify right side
393,996.03x = 114,949,780,533.58 - Step 5: Solve for x
x = 114,949,780,533.58/393,996.03 - Step 6: Final answer
x = 291,753.65
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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.