Finding the Fourth Proportional to 174,202.60, 261,239.10 and 68,999.80
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Solution
The fourth proportional to 174,202.60, 261,239.10 and 68,999.80 is: 103,474.03
Step by Step Solution
- Step 1: Write the proportion equation
174,202.60 : 261,239.10 = 68,999.80 : x - Step 2: Convert to fraction form
174,202.60/261,239.10 = 68,999.80/x - Step 3: Cross multiply
174,202.60x = 261,239.10 × 68,999.80 - Step 4: Simplify right side
174,202.60x = 18,025,445,652.18 - Step 5: Solve for x
x = 18,025,445,652.18/174,202.60 - Step 6: Final answer
x = 103,474.03
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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.