Finding the Fourth Proportional to 424,905.01, 637,474.30 and 125,385.62
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Solution
The fourth proportional to 424,905.01, 637,474.30 and 125,385.62 is: 188,112.89
Step by Step Solution
- Step 1: Write the proportion equation
424,905.01 : 637,474.30 = 125,385.62 : x - Step 2: Convert to fraction form
424,905.01/637,474.30 = 125,385.62/x - Step 3: Cross multiply
424,905.01x = 637,474.30 × 125,385.62 - Step 4: Simplify right side
424,905.01x = 79,930,106,838.73 - Step 5: Solve for x
x = 79,930,106,838.73/424,905.01 - Step 6: Final answer
x = 188,112.89
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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.