Finding the Fourth Proportional to 219,782.16, 303,305.99 and 124,286.94
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Solution
The fourth proportional to 219,782.16, 303,305.99 and 124,286.94 is: 171,519.71
Step by Step Solution
- Step 1: Write the proportion equation
219,782.16 : 303,305.99 = 124,286.94 : x - Step 2: Convert to fraction form
219,782.16/303,305.99 = 124,286.94/x - Step 3: Cross multiply
219,782.16x = 303,305.99 × 124,286.94 - Step 4: Simplify right side
219,782.16x = 37,696,972,759.34 - Step 5: Solve for x
x = 37,696,972,759.34/219,782.16 - Step 6: Final answer
x = 171,519.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.