Finding the Fourth Proportional to 406,287.88, 609,535.50 and 257,584.84
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Solution
The fourth proportional to 406,287.88, 609,535.50 and 257,584.84 is: 386,442.99
Step by Step Solution
- Step 1: Write the proportion equation
406,287.88 : 609,535.50 = 257,584.84 : x - Step 2: Convert to fraction form
406,287.88/609,535.50 = 257,584.84/x - Step 3: Cross multiply
406,287.88x = 609,535.50 × 257,584.84 - Step 4: Simplify right side
406,287.88x = 157,007,104,241.82 - Step 5: Solve for x
x = 157,007,104,241.82/406,287.88 - Step 6: Final answer
x = 386,442.99
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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.