Finding the Fourth Proportional to 203,472.70, 305,209.05 and 170,230.30
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Solution
The fourth proportional to 203,472.70, 305,209.05 and 170,230.30 is: 255,345.45
Step by Step Solution
- Step 1: Write the proportion equation
203,472.70 : 305,209.05 = 170,230.30 : x - Step 2: Convert to fraction form
203,472.70/305,209.05 = 170,230.30/x - Step 3: Cross multiply
203,472.70x = 305,209.05 × 170,230.30 - Step 4: Simplify right side
203,472.70x = 51,955,828,144.22 - Step 5: Solve for x
x = 51,955,828,144.22/203,472.70 - Step 6: Final answer
x = 255,345.45
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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.