Finding the Fourth Proportional to 202,894.70, 304,528.05 and 103,124.30
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Solution
The fourth proportional to 202,894.70, 304,528.05 and 103,124.30 is: 154,780.99
Step by Step Solution
- Step 1: Write the proportion equation
202,894.70 : 304,528.05 = 103,124.30 : x - Step 2: Convert to fraction form
202,894.70/304,528.05 = 103,124.30/x - Step 3: Cross multiply
202,894.70x = 304,528.05 × 103,124.30 - Step 4: Simplify right side
202,894.70x = 31,404,241,986.62 - Step 5: Solve for x
x = 31,404,241,986.62/202,894.70 - Step 6: Final answer
x = 154,780.99
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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.