Finding the Fourth Proportional to 228,977.19, 343,395.81 and 158,353.70
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Solution
The fourth proportional to 228,977.19, 343,395.81 and 158,353.70 is: 237,482.15
Step by Step Solution
- Step 1: Write the proportion equation
228,977.19 : 343,395.81 = 158,353.70 : x - Step 2: Convert to fraction form
228,977.19/343,395.81 = 158,353.70/x - Step 3: Cross multiply
228,977.19x = 343,395.81 × 158,353.70 - Step 4: Simplify right side
228,977.19x = 54,377,995,361.02 - Step 5: Solve for x
x = 54,377,995,361.02/228,977.19 - Step 6: Final answer
x = 237,482.15
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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.