Finding the Fourth Proportional to 395,681.97, 592,900.41 and 305,943.87
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Solution
The fourth proportional to 395,681.97, 592,900.41 and 305,943.87 is: 458,434.45
Step by Step Solution
- Step 1: Write the proportion equation
395,681.97 : 592,900.41 = 305,943.87 : x - Step 2: Convert to fraction form
395,681.97/592,900.41 = 305,943.87/x - Step 3: Cross multiply
395,681.97x = 592,900.41 × 305,943.87 - Step 4: Simplify right side
395,681.97x = 181,394,245,959.99 - Step 5: Solve for x
x = 181,394,245,959.99/395,681.97 - Step 6: Final answer
x = 458,434.45
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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.