Finding the Fourth Proportional to 332,511.87, 458,869.41 and 189,281.19
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Solution
The fourth proportional to 332,511.87, 458,869.41 and 189,281.19 is: 261,209.77
Step by Step Solution
- Step 1: Write the proportion equation
332,511.87 : 458,869.41 = 189,281.19 : x - Step 2: Convert to fraction form
332,511.87/458,869.41 = 189,281.19/x - Step 3: Cross multiply
332,511.87x = 458,869.41 × 189,281.19 - Step 4: Simplify right side
332,511.87x = 86,855,347,979.40 - Step 5: Solve for x
x = 86,855,347,979.40/332,511.87 - Step 6: Final answer
x = 261,209.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.