Finding the Fourth Proportional to 667,387.80, 1,001,179.26 and 194,011.68
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Solution
The fourth proportional to 667,387.80, 1,001,179.26 and 194,011.68 is: 291,045.88
Step by Step Solution
- Step 1: Write the proportion equation
667,387.80 : 1,001,179.26 = 194,011.68 : x - Step 2: Convert to fraction form
667,387.80/1,001,179.26 = 194,011.68/x - Step 3: Cross multiply
667,387.80x = 1,001,179.26 × 194,011.68 - Step 4: Simplify right side
667,387.80x = 194,240,470,213.76 - Step 5: Solve for x
x = 194,240,470,213.76/667,387.80 - Step 6: Final answer
x = 291,045.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.