Finding the Fourth Proportional to 444,897.18, 667,410.84 and 129,313.08
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Solution
The fourth proportional to 444,897.18, 667,410.84 and 129,313.08 is: 193,988.53
Step by Step Solution
- Step 1: Write the proportion equation
444,897.18 : 667,410.84 = 129,313.08 : x - Step 2: Convert to fraction form
444,897.18/667,410.84 = 129,313.08/x - Step 3: Cross multiply
444,897.18x = 667,410.84 × 129,313.08 - Step 4: Simplify right side
444,897.18x = 86,304,951,345.79 - Step 5: Solve for x
x = 86,304,951,345.79/444,897.18 - Step 6: Final answer
x = 193,988.53
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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.