Finding the Fourth Proportional to 118,474.47, 163,476.50 and 68,163.75
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Solution
The fourth proportional to 118,474.47, 163,476.50 and 68,163.75 is: 94,055.46
Step by Step Solution
- Step 1: Write the proportion equation
118,474.47 : 163,476.50 = 68,163.75 : x - Step 2: Convert to fraction form
118,474.47/163,476.50 = 68,163.75/x - Step 3: Cross multiply
118,474.47x = 163,476.50 × 68,163.75 - Step 4: Simplify right side
118,474.47x = 11,143,170,936.06 - Step 5: Solve for x
x = 11,143,170,936.06/118,474.47 - Step 6: Final answer
x = 94,055.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.