Finding the Fourth Proportional to 248,157.87, 342,518.69 and 140,790.75
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Solution
The fourth proportional to 248,157.87, 342,518.69 and 140,790.75 is: 194,325.75
Step by Step Solution
- Step 1: Write the proportion equation
248,157.87 : 342,518.69 = 140,790.75 : x - Step 2: Convert to fraction form
248,157.87/342,518.69 = 140,790.75/x - Step 3: Cross multiply
248,157.87x = 342,518.69 × 140,790.75 - Step 4: Simplify right side
248,157.87x = 48,223,463,254.12 - Step 5: Solve for x
x = 48,223,463,254.12/248,157.87 - Step 6: Final answer
x = 194,325.75
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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.