Finding the Fourth Proportional to 304,446.20, 420,304.66 and 183,617.96
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Solution
The fourth proportional to 304,446.20, 420,304.66 and 183,617.96 is: 253,494.65
Step by Step Solution
- Step 1: Write the proportion equation
304,446.20 : 420,304.66 = 183,617.96 : x - Step 2: Convert to fraction form
304,446.20/420,304.66 = 183,617.96/x - Step 3: Cross multiply
304,446.20x = 420,304.66 × 183,617.96 - Step 4: Simplify right side
304,446.20x = 77,175,484,247.69 - Step 5: Solve for x
x = 77,175,484,247.69/304,446.20 - Step 6: Final answer
x = 253,494.65
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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.