Finding the Fourth Proportional to 211,541.80, 317,312.70 and 201,173.80
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Solution
The fourth proportional to 211,541.80, 317,312.70 and 201,173.80 is: 301,760.70
Step by Step Solution
- Step 1: Write the proportion equation
211,541.80 : 317,312.70 = 201,173.80 : x - Step 2: Convert to fraction form
211,541.80/317,312.70 = 201,173.80/x - Step 3: Cross multiply
211,541.80x = 317,312.70 × 201,173.80 - Step 4: Simplify right side
211,541.80x = 63,835,001,647.26 - Step 5: Solve for x
x = 63,835,001,647.26/211,541.80 - Step 6: Final answer
x = 301,760.70
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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.