Finding the Fourth Proportional to 243,811.70, 365,717.55 and 202,339.70
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Solution
The fourth proportional to 243,811.70, 365,717.55 and 202,339.70 is: 303,509.55
Step by Step Solution
- Step 1: Write the proportion equation
243,811.70 : 365,717.55 = 202,339.70 : x - Step 2: Convert to fraction form
243,811.70/365,717.55 = 202,339.70/x - Step 3: Cross multiply
243,811.70x = 365,717.55 × 202,339.70 - Step 4: Simplify right side
243,811.70x = 73,999,179,351.74 - Step 5: Solve for x
x = 73,999,179,351.74/243,811.70 - Step 6: Final answer
x = 303,509.55
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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.