Finding the Fourth Proportional to 211,614.10, 292,027.30 and 120,972.06
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Solution
The fourth proportional to 211,614.10, 292,027.30 and 120,972.06 is: 166,941.35
Step by Step Solution
- Step 1: Write the proportion equation
211,614.10 : 292,027.30 = 120,972.06 : x - Step 2: Convert to fraction form
211,614.10/292,027.30 = 120,972.06/x - Step 3: Cross multiply
211,614.10x = 292,027.30 × 120,972.06 - Step 4: Simplify right side
211,614.10x = 35,327,143,754.81 - Step 5: Solve for x
x = 35,327,143,754.81/211,614.10 - Step 6: Final answer
x = 166,941.35
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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.