Finding the Fourth Proportional to 496,385.80, 744,578.70 and 141,395.20
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Solution
The fourth proportional to 496,385.80, 744,578.70 and 141,395.20 is: 212,092.80
Step by Step Solution
- Step 1: Write the proportion equation
496,385.80 : 744,578.70 = 141,395.20 : x - Step 2: Convert to fraction form
496,385.80/744,578.70 = 141,395.20/x - Step 3: Cross multiply
496,385.80x = 744,578.70 × 141,395.20 - Step 4: Simplify right side
496,385.80x = 105,279,854,202.24 - Step 5: Solve for x
x = 105,279,854,202.24/496,385.80 - Step 6: Final answer
x = 212,092.80
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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.