Finding the Fourth Proportional to 113,239.50, 156,273.54 and 61,560.08
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Solution
The fourth proportional to 113,239.50, 156,273.54 and 61,560.08 is: 84,954.56
Step by Step Solution
- Step 1: Write the proportion equation
113,239.50 : 156,273.54 = 61,560.08 : x - Step 2: Convert to fraction form
113,239.50/156,273.54 = 61,560.08/x - Step 3: Cross multiply
113,239.50x = 156,273.54 × 61,560.08 - Step 4: Simplify right side
113,239.50x = 9,620,212,077.13 - Step 5: Solve for x
x = 9,620,212,077.13/113,239.50 - Step 6: Final answer
x = 84,954.56
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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.