Finding the Fourth Proportional to 159,969.24, 239,608.80 and 75,602.08
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Solution
The fourth proportional to 159,969.24, 239,608.80 and 75,602.08 is: 113,240.04
Step by Step Solution
- Step 1: Write the proportion equation
159,969.24 : 239,608.80 = 75,602.08 : x - Step 2: Convert to fraction form
159,969.24/239,608.80 = 75,602.08/x - Step 3: Cross multiply
159,969.24x = 239,608.80 × 75,602.08 - Step 4: Simplify right side
159,969.24x = 18,114,923,666.30 - Step 5: Solve for x
x = 18,114,923,666.30/159,969.24 - Step 6: Final answer
x = 113,240.04
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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.