Finding the Fourth Proportional to 439,438.20, 659,157.30 and 202,710.84
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Solution
The fourth proportional to 439,438.20, 659,157.30 and 202,710.84 is: 304,066.26
Step by Step Solution
- Step 1: Write the proportion equation
439,438.20 : 659,157.30 = 202,710.84 : x - Step 2: Convert to fraction form
439,438.20/659,157.30 = 202,710.84/x - Step 3: Cross multiply
439,438.20x = 659,157.30 × 202,710.84 - Step 4: Simplify right side
439,438.20x = 133,618,329,975.13 - Step 5: Solve for x
x = 133,618,329,975.13/439,438.20 - Step 6: Final answer
x = 304,066.26
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Similar ratio
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1.5x scale
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.