Finding the Fourth Proportional to 346,772.70, 519,381.45 and 284,564.70
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Solution
The fourth proportional to 346,772.70, 519,381.45 and 284,564.70 is: 426,208.94
Step by Step Solution
- Step 1: Write the proportion equation
346,772.70 : 519,381.45 = 284,564.70 : x - Step 2: Convert to fraction form
346,772.70/519,381.45 = 284,564.70/x - Step 3: Cross multiply
346,772.70x = 519,381.45 × 284,564.70 - Step 4: Simplify right side
346,772.70x = 147,797,626,504.82 - Step 5: Solve for x
x = 147,797,626,504.82/346,772.70 - Step 6: Final answer
x = 426,208.94
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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.