Finding the Fourth Proportional to 363,317.84, 545,013.92 and 138,867.19
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Solution
The fourth proportional to 363,317.84, 545,013.92 and 138,867.19 is: 208,314.99
Step by Step Solution
- Step 1: Write the proportion equation
363,317.84 : 545,013.92 = 138,867.19 : x - Step 2: Convert to fraction form
363,317.84/545,013.92 = 138,867.19/x - Step 3: Cross multiply
363,317.84x = 545,013.92 × 138,867.19 - Step 4: Simplify right side
363,317.84x = 75,684,552,850.49 - Step 5: Solve for x
x = 75,684,552,850.49/363,317.84 - Step 6: Final answer
x = 208,314.99
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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.