Finding the Fourth Proportional to 458,488.24, 686,837.70 and 300,236.92
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Solution
The fourth proportional to 458,488.24, 686,837.70 and 300,236.92 is: 449,769.52
Step by Step Solution
- Step 1: Write the proportion equation
458,488.24 : 686,837.70 = 300,236.92 : x - Step 2: Convert to fraction form
458,488.24/686,837.70 = 300,236.92/x - Step 3: Cross multiply
458,488.24x = 686,837.70 × 300,236.92 - Step 4: Simplify right side
458,488.24x = 206,214,033,870.79 - Step 5: Solve for x
x = 206,214,033,870.79/458,488.24 - Step 6: Final answer
x = 449,769.52
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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.