Finding the Fourth Proportional to 203,118.80, 304,462.20 and 97,869.20
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Solution
The fourth proportional to 203,118.80, 304,462.20 and 97,869.20 is: 146,699.72
Step by Step Solution
- Step 1: Write the proportion equation
203,118.80 : 304,462.20 = 97,869.20 : x - Step 2: Convert to fraction form
203,118.80/304,462.20 = 97,869.20/x - Step 3: Cross multiply
203,118.80x = 304,462.20 × 97,869.20 - Step 4: Simplify right side
203,118.80x = 29,797,471,944.24 - Step 5: Solve for x
x = 29,797,471,944.24/203,118.80 - Step 6: Final answer
x = 146,699.72
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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.