Finding the Fourth Proportional to 211,551.24, 291,966.55 and 120,911.03
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Solution
The fourth proportional to 211,551.24, 291,966.55 and 120,911.03 is: 166,871.98
Step by Step Solution
- Step 1: Write the proportion equation
211,551.24 : 291,966.55 = 120,911.03 : x - Step 2: Convert to fraction form
211,551.24/291,966.55 = 120,911.03/x - Step 3: Cross multiply
211,551.24x = 291,966.55 × 120,911.03 - Step 4: Simplify right side
211,551.24x = 35,301,975,958.87 - Step 5: Solve for x
x = 35,301,975,958.87/211,551.24 - Step 6: Final answer
x = 166,871.98
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1.5x scale
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.