Finding the Fourth Proportional to 242,439.57, 363,714.47 and 73,974.99
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Solution
The fourth proportional to 242,439.57, 363,714.47 and 73,974.99 is: 110,979.30
Step by Step Solution
- Step 1: Write the proportion equation
242,439.57 : 363,714.47 = 73,974.99 : x - Step 2: Convert to fraction form
242,439.57/363,714.47 = 73,974.99/x - Step 3: Cross multiply
242,439.57x = 363,714.47 × 73,974.99 - Step 4: Simplify right side
242,439.57x = 26,905,773,911.23 - Step 5: Solve for x
x = 26,905,773,911.23/242,439.57 - Step 6: Final answer
x = 110,979.30
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1.5x scale
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.