Finding the Fourth Proportional to 471,191.76, 706,637.88 and 155,589.84
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Solution
The fourth proportional to 471,191.76, 706,637.88 and 155,589.84 is: 233,335.31
Step by Step Solution
- Step 1: Write the proportion equation
471,191.76 : 706,637.88 = 155,589.84 : x - Step 2: Convert to fraction form
471,191.76/706,637.88 = 155,589.84/x - Step 3: Cross multiply
471,191.76x = 706,637.88 × 155,589.84 - Step 4: Simplify right side
471,191.76x = 109,945,674,687.14 - Step 5: Solve for x
x = 109,945,674,687.14/471,191.76 - Step 6: Final answer
x = 233,335.31
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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.