Finding the Fourth Proportional to 471,157.76, 706,586.88 and 155,555.84
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Solution
The fourth proportional to 471,157.76, 706,586.88 and 155,555.84 is: 233,284.32
Step by Step Solution
- Step 1: Write the proportion equation
471,157.76 : 706,586.88 = 155,555.84 : x - Step 2: Convert to fraction form
471,157.76/706,586.88 = 155,555.84/x - Step 3: Cross multiply
471,157.76x = 706,586.88 × 155,555.84 - Step 4: Simplify right side
471,157.76x = 109,913,715,651.38 - Step 5: Solve for x
x = 109,913,715,651.38/471,157.76 - Step 6: Final answer
x = 233,284.32
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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.