Finding the Fourth Proportional to 243,813.70, 365,720.55 and 202,341.70
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Solution
The fourth proportional to 243,813.70, 365,720.55 and 202,341.70 is: 303,512.55
Step by Step Solution
- Step 1: Write the proportion equation
243,813.70 : 365,720.55 = 202,341.70 : x - Step 2: Convert to fraction form
243,813.70/365,720.55 = 202,341.70/x - Step 3: Cross multiply
243,813.70x = 365,720.55 × 202,341.70 - Step 4: Simplify right side
243,813.70x = 74,000,517,811.94 - Step 5: Solve for x
x = 74,000,517,811.94/243,813.70 - Step 6: Final answer
x = 303,512.55
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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.