Finding the Fourth Proportional to 117,208.22, 175,797.74 and 38,315.84
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Solution
The fourth proportional to 117,208.22, 175,797.74 and 38,315.84 is: 57,468.99
Step by Step Solution
- Step 1: Write the proportion equation
117,208.22 : 175,797.74 = 38,315.84 : x - Step 2: Convert to fraction form
117,208.22/175,797.74 = 38,315.84/x - Step 3: Cross multiply
117,208.22x = 175,797.74 × 38,315.84 - Step 4: Simplify right side
117,208.22x = 6,735,837,295.00 - Step 5: Solve for x
x = 6,735,837,295.00/117,208.22 - Step 6: Final answer
x = 57,468.99
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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.