Finding the Fourth Proportional to 591,203.06, 815,860.20 and 319,270.97
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Solution
The fourth proportional to 591,203.06, 815,860.20 and 319,270.97 is: 440,593.92
Step by Step Solution
- Step 1: Write the proportion equation
591,203.06 : 815,860.20 = 319,270.97 : x - Step 2: Convert to fraction form
591,203.06/815,860.20 = 319,270.97/x - Step 3: Cross multiply
591,203.06x = 815,860.20 × 319,270.97 - Step 4: Simplify right side
591,203.06x = 260,480,473,359.09 - Step 5: Solve for x
x = 260,480,473,359.09/591,203.06 - Step 6: Final answer
x = 440,593.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.