Finding the Fourth Proportional to 297,687.80, 446,531.70 and 292,503.80
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Solution
The fourth proportional to 297,687.80, 446,531.70 and 292,503.80 is: 438,755.70
Step by Step Solution
- Step 1: Write the proportion equation
297,687.80 : 446,531.70 = 292,503.80 : x - Step 2: Convert to fraction form
297,687.80/446,531.70 = 292,503.80/x - Step 3: Cross multiply
297,687.80x = 446,531.70 × 292,503.80 - Step 4: Simplify right side
297,687.80x = 130,612,219,070.46 - Step 5: Solve for x
x = 130,612,219,070.46/297,687.80 - Step 6: Final answer
x = 438,755.70
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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.