Finding the Fourth Proportional to 319,046.97, 478,579.74 and 119,329.26
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Solution
The fourth proportional to 319,046.97, 478,579.74 and 119,329.26 is: 178,997.35
Step by Step Solution
- Step 1: Write the proportion equation
319,046.97 : 478,579.74 = 119,329.26 : x - Step 2: Convert to fraction form
319,046.97/478,579.74 = 119,329.26/x - Step 3: Cross multiply
319,046.97x = 478,579.74 × 119,329.26 - Step 4: Simplify right side
319,046.97x = 57,108,563,832.29 - Step 5: Solve for x
x = 57,108,563,832.29/319,046.97 - Step 6: Final answer
x = 178,997.35
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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.