Finding the Fourth Proportional to 228,949.56, 343,621.98 and 158,878.08
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Solution
The fourth proportional to 228,949.56, 343,621.98 and 158,878.08 is: 238,454.27
Step by Step Solution
- Step 1: Write the proportion equation
228,949.56 : 343,621.98 = 158,878.08 : x - Step 2: Convert to fraction form
228,949.56/343,621.98 = 158,878.08/x - Step 3: Cross multiply
228,949.56x = 343,621.98 × 158,878.08 - Step 4: Simplify right side
228,949.56x = 54,594,000,428.20 - Step 5: Solve for x
x = 54,594,000,428.20/228,949.56 - Step 6: Final answer
x = 238,454.27
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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.