Finding the Fourth Proportional to 243,485.70, 365,228.55 and 202,013.70
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Solution
The fourth proportional to 243,485.70, 365,228.55 and 202,013.70 is: 303,020.55
Step by Step Solution
- Step 1: Write the proportion equation
243,485.70 : 365,228.55 = 202,013.70 : x - Step 2: Convert to fraction form
243,485.70/365,228.55 = 202,013.70/x - Step 3: Cross multiply
243,485.70x = 365,228.55 × 202,013.70 - Step 4: Simplify right side
243,485.70x = 73,781,170,731.14 - Step 5: Solve for x
x = 73,781,170,731.14/243,485.70 - Step 6: Final answer
x = 303,020.55
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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.