Finding the Fourth Proportional to 332,442.70, 498,664.05 and 155,295.70
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Solution
The fourth proportional to 332,442.70, 498,664.05 and 155,295.70 is: 232,943.55
Step by Step Solution
- Step 1: Write the proportion equation
332,442.70 : 498,664.05 = 155,295.70 : x - Step 2: Convert to fraction form
332,442.70/498,664.05 = 155,295.70/x - Step 3: Cross multiply
332,442.70x = 498,664.05 × 155,295.70 - Step 4: Simplify right side
332,442.70x = 77,440,382,709.59 - Step 5: Solve for x
x = 77,440,382,709.59/332,442.70 - Step 6: Final answer
x = 232,943.55
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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.