Finding the Fourth Proportional to 118,795.94, 178,220.50 and 39,908.01
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Solution
The fourth proportional to 118,795.94, 178,220.50 and 39,908.01 is: 59,870.95
Step by Step Solution
- Step 1: Write the proportion equation
118,795.94 : 178,220.50 = 39,908.01 : x - Step 2: Convert to fraction form
118,795.94/178,220.50 = 39,908.01/x - Step 3: Cross multiply
118,795.94x = 178,220.50 × 39,908.01 - Step 4: Simplify right side
118,795.94x = 7,112,425,880.25 - Step 5: Solve for x
x = 7,112,425,880.25/118,795.94 - Step 6: Final answer
x = 59,870.95
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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.