Finding the Fourth Proportional to 497,220.78, 686,169.18 and 270,866.28
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Solution
The fourth proportional to 497,220.78, 686,169.18 and 270,866.28 is: 373,797.92
Step by Step Solution
- Step 1: Write the proportion equation
497,220.78 : 686,169.18 = 270,866.28 : x - Step 2: Convert to fraction form
497,220.78/686,169.18 = 270,866.28/x - Step 3: Cross multiply
497,220.78x = 686,169.18 × 270,866.28 - Step 4: Simplify right side
497,220.78x = 185,860,093,237.25 - Step 5: Solve for x
x = 185,860,093,237.25/497,220.78 - Step 6: Final answer
x = 373,797.92
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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.