Finding the Fourth Proportional to 202,852.20, 304,278.30 and 103,027.80
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Solution
The fourth proportional to 202,852.20, 304,278.30 and 103,027.80 is: 154,541.70
Step by Step Solution
- Step 1: Write the proportion equation
202,852.20 : 304,278.30 = 103,027.80 : x - Step 2: Convert to fraction form
202,852.20/304,278.30 = 103,027.80/x - Step 3: Cross multiply
202,852.20x = 304,278.30 × 103,027.80 - Step 4: Simplify right side
202,852.20x = 31,349,123,836.74 - Step 5: Solve for x
x = 31,349,123,836.74/202,852.20 - Step 6: Final answer
x = 154,541.70
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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.