Finding the Fourth Proportional to 332,406.70, 498,478.82 and 121,929.82
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Solution
The fourth proportional to 332,406.70, 498,478.82 and 121,929.82 is: 182,846.59
Step by Step Solution
- Step 1: Write the proportion equation
332,406.70 : 498,478.82 = 121,929.82 : x - Step 2: Convert to fraction form
332,406.70/498,478.82 = 121,929.82/x - Step 3: Cross multiply
332,406.70x = 498,478.82 × 121,929.82 - Step 4: Simplify right side
332,406.70x = 60,779,432,796.41 - Step 5: Solve for x
x = 60,779,432,796.41/332,406.70 - Step 6: Final answer
x = 182,846.59
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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.