Finding the Fourth Proportional to 923,277.70, 1,385,046.15 and 292,125.70
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Solution
The fourth proportional to 923,277.70, 1,385,046.15 and 292,125.70 is: 438,229.56
Step by Step Solution
- Step 1: Write the proportion equation
923,277.70 : 1,385,046.15 = 292,125.70 : x - Step 2: Convert to fraction form
923,277.70/1,385,046.15 = 292,125.70/x - Step 3: Cross multiply
923,277.70x = 1,385,046.15 × 292,125.70 - Step 4: Simplify right side
923,277.70x = 404,607,576,101.06 - Step 5: Solve for x
x = 404,607,576,101.06/923,277.70 - Step 6: Final answer
x = 438,229.56
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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.