Finding the Fourth Proportional to 205,251.20, 307,220.70 and 146,202.20
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Solution
The fourth proportional to 205,251.20, 307,220.70 and 146,202.20 is: 218,835.95
Step by Step Solution
- Step 1: Write the proportion equation
205,251.20 : 307,220.70 = 146,202.20 : x - Step 2: Convert to fraction form
205,251.20/307,220.70 = 146,202.20/x - Step 3: Cross multiply
205,251.20x = 307,220.70 × 146,202.20 - Step 4: Simplify right side
205,251.20x = 44,916,342,225.54 - Step 5: Solve for x
x = 44,916,342,225.54/205,251.20 - Step 6: Final answer
x = 218,835.95
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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.