Finding the Fourth Proportional to 178,474.08, 246,292.20 and 103,020.96
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Solution
The fourth proportional to 178,474.08, 246,292.20 and 103,020.96 is: 142,167.75
Step by Step Solution
- Step 1: Write the proportion equation
178,474.08 : 246,292.20 = 103,020.96 : x - Step 2: Convert to fraction form
178,474.08/246,292.20 = 103,020.96/x - Step 3: Cross multiply
178,474.08x = 246,292.20 × 103,020.96 - Step 4: Simplify right side
178,474.08x = 25,373,258,884.51 - Step 5: Solve for x
x = 25,373,258,884.51/178,474.08 - Step 6: Final answer
x = 142,167.75
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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.