Finding the Fourth Proportional to 242,652.70, 363,979.05 and 149,211.10
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Solution
The fourth proportional to 242,652.70, 363,979.05 and 149,211.10 is: 223,816.65
Step by Step Solution
- Step 1: Write the proportion equation
242,652.70 : 363,979.05 = 149,211.10 : x - Step 2: Convert to fraction form
242,652.70/363,979.05 = 149,211.10/x - Step 3: Cross multiply
242,652.70x = 363,979.05 × 149,211.10 - Step 4: Simplify right side
242,652.70x = 54,309,714,427.46 - Step 5: Solve for x
x = 54,309,714,427.46/242,652.70 - Step 6: Final answer
x = 223,816.65
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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.