Finding the Fourth Proportional to 591,395.80, 887,220.06 and 217,418.80
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Solution
The fourth proportional to 591,395.80, 887,220.06 and 217,418.80 is: 326,174.65
Step by Step Solution
- Step 1: Write the proportion equation
591,395.80 : 887,220.06 = 217,418.80 : x - Step 2: Convert to fraction form
591,395.80/887,220.06 = 217,418.80/x - Step 3: Cross multiply
591,395.80x = 887,220.06 × 217,418.80 - Step 4: Simplify right side
591,395.80x = 192,898,320,781.13 - Step 5: Solve for x
x = 192,898,320,781.13/591,395.80 - Step 6: Final answer
x = 326,174.65
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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.