Finding the Fourth Proportional to 449,685.80, 674,617.28 and 134,135.72
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Solution
The fourth proportional to 449,685.80, 674,617.28 and 134,135.72 is: 201,230.00
Step by Step Solution
- Step 1: Write the proportion equation
449,685.80 : 674,617.28 = 134,135.72 : x - Step 2: Convert to fraction form
449,685.80/674,617.28 = 134,135.72/x - Step 3: Cross multiply
449,685.80x = 674,617.28 × 134,135.72 - Step 4: Simplify right side
449,685.80x = 90,490,274,577.24 - Step 5: Solve for x
x = 90,490,274,577.24/449,685.80 - Step 6: Final answer
x = 201,230.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.