Finding the Fourth Proportional to 243,809.70, 365,714.55 and 202,337.70
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Solution
The fourth proportional to 243,809.70, 365,714.55 and 202,337.70 is: 303,506.55
Step by Step Solution
- Step 1: Write the proportion equation
243,809.70 : 365,714.55 = 202,337.70 : x - Step 2: Convert to fraction form
243,809.70/365,714.55 = 202,337.70/x - Step 3: Cross multiply
243,809.70x = 365,714.55 × 202,337.70 - Step 4: Simplify right side
243,809.70x = 73,997,840,903.54 - Step 5: Solve for x
x = 73,997,840,903.54/243,809.70 - Step 6: Final answer
x = 303,506.55
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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.