Finding the Fourth Proportional to 202,839.20, 304,444.80 and 103,068.80
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Solution
The fourth proportional to 202,839.20, 304,444.80 and 103,068.80 is: 154,697.71
Step by Step Solution
- Step 1: Write the proportion equation
202,839.20 : 304,444.80 = 103,068.80 : x - Step 2: Convert to fraction form
202,839.20/304,444.80 = 103,068.80/x - Step 3: Cross multiply
202,839.20x = 304,444.80 × 103,068.80 - Step 4: Simplify right side
202,839.20x = 31,378,760,202.24 - Step 5: Solve for x
x = 31,378,760,202.24/202,839.20 - Step 6: Final answer
x = 154,697.71
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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.