Finding the Fourth Proportional to 320,039.84, 479,894.37 and 117,584.24
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Solution
The fourth proportional to 320,039.84, 479,894.37 and 117,584.24 is: 176,315.60
Step by Step Solution
- Step 1: Write the proportion equation
320,039.84 : 479,894.37 = 117,584.24 : x - Step 2: Convert to fraction form
320,039.84/479,894.37 = 117,584.24/x - Step 3: Cross multiply
320,039.84x = 479,894.37 × 117,584.24 - Step 4: Simplify right side
320,039.84x = 56,428,015,297.13 - Step 5: Solve for x
x = 56,428,015,297.13/320,039.84 - Step 6: Final answer
x = 176,315.60
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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.