Finding the Fourth Proportional to 201,879.30, 302,818.95 and 127,229.70
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Solution
The fourth proportional to 201,879.30, 302,818.95 and 127,229.70 is: 190,844.55
Step by Step Solution
- Step 1: Write the proportion equation
201,879.30 : 302,818.95 = 127,229.70 : x - Step 2: Convert to fraction form
201,879.30/302,818.95 = 127,229.70/x - Step 3: Cross multiply
201,879.30x = 302,818.95 × 127,229.70 - Step 4: Simplify right side
201,879.30x = 38,527,564,162.82 - Step 5: Solve for x
x = 38,527,564,162.82/201,879.30 - Step 6: Final answer
x = 190,844.55
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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.