Finding the Fourth Proportional to 488,161.80, 730,817.10 and 348,193.80
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Solution
The fourth proportional to 488,161.80, 730,817.10 and 348,193.80 is: 521,273.85
Step by Step Solution
- Step 1: Write the proportion equation
488,161.80 : 730,817.10 = 348,193.80 : x - Step 2: Convert to fraction form
488,161.80/730,817.10 = 348,193.80/x - Step 3: Cross multiply
488,161.80x = 730,817.10 × 348,193.80 - Step 4: Simplify right side
488,161.80x = 254,465,983,153.98 - Step 5: Solve for x
x = 254,465,983,153.98/488,161.80 - Step 6: Final answer
x = 521,273.85
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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.