Finding the Fourth Proportional to 171,626.70, 257,464.35 and 53,285.70
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Solution
The fourth proportional to 171,626.70, 257,464.35 and 53,285.70 is: 79,936.09
Step by Step Solution
- Step 1: Write the proportion equation
171,626.70 : 257,464.35 = 53,285.70 : x - Step 2: Convert to fraction form
171,626.70/257,464.35 = 53,285.70/x - Step 3: Cross multiply
171,626.70x = 257,464.35 × 53,285.70 - Step 4: Simplify right side
171,626.70x = 13,719,168,114.80 - Step 5: Solve for x
x = 13,719,168,114.80/171,626.70 - Step 6: Final answer
x = 79,936.09
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1.5x scale
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.