Finding the Fourth Proportional to 444,869.93, 667,369.97 and 129,285.83
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Solution
The fourth proportional to 444,869.93, 667,369.97 and 129,285.83 is: 193,947.66
Step by Step Solution
- Step 1: Write the proportion equation
444,869.93 : 667,369.97 = 129,285.83 : x - Step 2: Convert to fraction form
444,869.93/667,369.97 = 129,285.83/x - Step 3: Cross multiply
444,869.93x = 667,369.97 × 129,285.83 - Step 4: Simplify right side
444,869.93x = 86,281,480,488.53 - Step 5: Solve for x
x = 86,281,480,488.53/444,869.93 - Step 6: Final answer
x = 193,947.66
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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.