Finding the Fourth Proportional to 439,990.70, 659,548.65 and 202,919.90
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Solution
The fourth proportional to 439,990.70, 659,548.65 and 202,919.90 is: 304,178.12
Step by Step Solution
- Step 1: Write the proportion equation
439,990.70 : 659,548.65 = 202,919.90 : x - Step 2: Convert to fraction form
439,990.70/659,548.65 = 202,919.90/x - Step 3: Cross multiply
439,990.70x = 659,548.65 × 202,919.90 - Step 4: Simplify right side
439,990.70x = 133,835,546,103.14 - Step 5: Solve for x
x = 133,835,546,103.14/439,990.70 - Step 6: Final answer
x = 304,178.12
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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.