Finding the Fourth Proportional to 219,963.13, 303,549.11 and 119,361.13
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Solution
The fourth proportional to 219,963.13, 303,549.11 and 119,361.13 is: 164,718.35
Step by Step Solution
- Step 1: Write the proportion equation
219,963.13 : 303,549.11 = 119,361.13 : x - Step 2: Convert to fraction form
219,963.13/303,549.11 = 119,361.13/x - Step 3: Cross multiply
219,963.13x = 303,549.11 × 119,361.13 - Step 4: Simplify right side
219,963.13x = 36,231,964,780.09 - Step 5: Solve for x
x = 36,231,964,780.09/219,963.13 - Step 6: Final answer
x = 164,718.35
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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.